12928808 has 16 divisors (see below), whose sum is σ = 24483060. Its totient is φ = 6400000.

The previous prime is 12928757. The next prime is 12928813. The reversal of 12928808 is 80882921.

It can be written as a sum of positive squares in 2 ways, for example, as 10099684 + 2829124 = 3178^2 + 1682^2 .

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, 7193 + ... + 8808.

Almost surely, 2^12928808 is an apocalyptic number.

It is an amenable number.

12928808 is a deficient number, since it is larger than the sum of its proper divisors (11554252).

12928808 is a wasteful number, since it uses less digits than its factorization.

12928808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16108 (or 16104 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 38.

The square root of 12928808 is about 3595.6651679488. The cubic root of 12928808 is about 234.7034617894.

It can be divided in two parts, 12928 and 808, that multiplied together give a square (10445824 = 3232²).

The spelling of 12928808 in words is "twelve million, nine hundred twenty-eight thousand, eight hundred eight".