12816

12816 is a natural number that follows 12815 and precedes 12817. It is an even composite number with prime factorization 2^4 × 3^2 × 89. Because of this factorization, the number is divisible by 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, and 144, among other divisors; in total it has 30 divisors. Notably, 12816 equals 89 × 144, the product of two consecutive Fibonacci numbers (F11 = 89 and F12 = 144).

In base 10, the sum of the digits of 12816 is 18, so it is a Harshad (Niven) number, since 12816 divided by 18 equals 712. Its common positional representations include binary 11001000010000_2 and hexadecimal 0x3210. These representations reflect its arithmetic structure as 2^4 × 3^2 × 89, and its expression as 89 × 144 highlights its connection to the Fibonacci sequence.