12808896 has 28 divisors (see below), whose sum is σ = 33890712. Its totient is φ = 4269568.

The previous prime is 12808891. The next prime is 12808903. The reversal of 12808896 is 69880821.

It is not an unprimeable number, because it can be changed into a prime (12808891) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33165 + ... + 33548.

Almost surely, 2^12808896 is an apocalyptic number.

12808896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12808896 is an abundant number, since it is smaller than the sum of its proper divisors (21081816).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12808896 is an equidigital number, since it uses as much as digits as its factorization.

12808896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66728 (or 66718 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 42.

The square root of 12808896 is about 3578.9518018548. The cubic root of 12808896 is about 233.9755983029.

The spelling of 12808896 in words is "twelve million, eight hundred eight thousand, eight hundred ninety-six".