12,440 in words
12,440
twelve thousand four hundred forty
12,440 is written twelve thousand four hundred forty.
Ways to write it
- As an ordinal
- twelve thousand four hundred fortieth
- Expanded form
- 10,000 + 2,000 + 400 + 40
Place value
| Place | Digit | Value |
|---|---|---|
| ten thousands | 1 | 10,000 |
| thousands | 2 | 2,000 |
| hundreds | 4 | 400 |
| tens | 4 | 40 |
| ones | 0 | 0 |
Number facts
- Even or odd
- Even
- Prime or composite
- Composite
- Factors
- 1, 2, 4, 5, 8, 10, 20, 40, 311, 622, 1,244, 1,555, 2,488, 3,110, 6,220 and 12,440 (16 factors)
- First 10 multiples
- 12,440, 24,880, 37,320, 49,760, 62,200, 74,640, 87,080, 99,520, 111,960, 124,400
- Square
- 12,440 × 12,440 = 154,753,600
- Square root
- ≈ 111.53
- Sum of the digits
- 1 + 2 + 4 + 4 + 0 = 11
- Rounded to the nearest 10
- 12,440
- Rounded to the nearest 100
- 12,400
- Rounded to the nearest 1000
- 12,000
- Number before
- 12,439
- Number after
- 12,441
- In binary
11000010011000
Quick check
What number comes just after 12,440?
Show the answer
12,441
Is 12,440 even or odd?
Show the answer
Even
What is 12,440 + 10?
Show the answer
12,450
Practice with a game
Factors, Multiples & Primes
Multiples, factors, prime numbers, square numbers and prime factors.
Number Patterns
Find the missing number in a sequence.Frequently asked questions
How do you write 12,440 in words?
12,440 is written "twelve thousand four hundred forty".
Is 12,440 a prime number?
No. 12,440 is a composite number, because it has more than two factors.
What are the factors of 12,440?
The factors of 12,440 are 1, 2, 4, 5, 8, 10, 20, 40, 311, 622, 1,244, 1,555, 2,488, 3,110, 6,220 and 12,440.