12815908 has 12 divisors (see below), whose sum is σ = 25631872. Its totient is φ = 5492520.

The previous prime is 12815867. The next prime is 12815923. The reversal of 12815908 is 80951821.

12815908 is an admirable number.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 228828 + ... + 228883.

Almost surely, 2^12815908 is an apocalyptic number.

It is an amenable number.

12815908 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12815908 is a wasteful number, since it uses less digits than its factorization.

12815908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457722 (or 457720 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 34.

The square root of 12815908 is about 3579.9312842567. The cubic root of 12815908 is about 234.0182857603.

The spelling of 12815908 in words is "twelve million, eight hundred fifteen thousand, nine hundred eight".