12888956 has 6 divisors (see below), whose sum is σ = 22555680. Its totient is φ = 6444476.

The previous prime is 12888943. The next prime is 12888971. The reversal of 12888956 is 65988821.

It is a super-2 number, since 2×12888956² = 332250373539872, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12888956.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1611116 + ... + 1611123.

It is an arithmetic number, because the mean of its divisors is an integer number (3759280).

Almost surely, 2^12888956 is an apocalyptic number.

It is an amenable number.

12888956 is a deficient number, since it is larger than the sum of its proper divisors (9666724).

12888956 is a wasteful number, since it uses less digits than its factorization.

12888956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3222243 (or 3222241 counting only the distinct ones).

The product of its digits is 276480, while the sum is 47.

The square root of 12888956 is about 3590.1192180762. The cubic root of 12888956 is about 234.4620621384.

The spelling of 12888956 in words is "twelve million, eight hundred eighty-eight thousand, nine hundred fifty-six".