12992808 has 32 divisors (see below), whose sum is σ = 34192800. Its totient is φ = 4102848.

The previous prime is 12992807. The next prime is 12992831. The reversal of 12992808 is 80829921.

It is not an unprimeable number, because it can be changed into a prime (12992807) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13791 + ... + 14702.

It is an arithmetic number, because the mean of its divisors is an integer number (1068525).

Almost surely, 2^12992808 is an apocalyptic number.

It is an amenable number.

12992808 is an abundant number, since it is smaller than the sum of its proper divisors (21199992).

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

12992808 is a wasteful number, since it uses less digits than its factorization.

12992808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28521 (or 28517 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 39.

The square root of 12992808 is about 3604.5537865317. The cubic root of 12992808 is about 235.0900997501.

The spelling of 12992808 in words is "twelve million, nine hundred ninety-two thousand, eight hundred eight".