12929288 has 8 divisors (see below), whose sum is σ = 24242430. Its totient is φ = 6464640.

The previous prime is 12929251. The next prime is 12929303. The reversal of 12929288 is 88292921.

It can be written as a sum of positive squares in only one way, i.e., 8168164 + 4761124 = 2858^2 + 2182^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 808073 + ... + 808088.

Almost surely, 2^12929288 is an apocalyptic number.

It is an amenable number.

12929288 is a deficient number, since it is larger than the sum of its proper divisors (11313142).

12929288 is a wasteful number, since it uses less digits than its factorization.

12929288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1616167 (or 1616163 counting only the distinct ones).

The product of its digits is 41472, while the sum is 41.

The square root of 12929288 is about 3595.7319143674. The cubic root of 12929288 is about 234.7063663178.

The spelling of 12929288 in words is "twelve million, nine hundred twenty-nine thousand, two hundred eighty-eight".