12929768 has 8 divisors (see below), whose sum is σ = 24243330. Its totient is φ = 6464880.

The previous prime is 12929753. The next prime is 12929779. The reversal of 12929768 is 86792921.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 10745284 + 2184484 = 3278^2 + 1478^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 808103 + ... + 808118.

Almost surely, 2^12929768 is an apocalyptic number.

It is an amenable number.

12929768 is a deficient number, since it is larger than the sum of its proper divisors (11313562).

12929768 is a wasteful number, since it uses less digits than its factorization.

12929768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1616227 (or 1616223 counting only the distinct ones).

The product of its digits is 108864, while the sum is 44.

The square root of 12929768 is about 3595.7986595470. The cubic root of 12929768 is about 234.7092707742.

The spelling of 12929768 in words is "twelve million, nine hundred twenty-nine thousand, seven hundred sixty-eight".