12937888 has 12 divisors (see below), whose sum is σ = 25471530. Its totient is φ = 6468928.

The previous prime is 12937877. The next prime is 12937913. The reversal of 12937888 is 88873921.

It can be written as a sum of positive squares in only one way, i.e., 11370384 + 1567504 = 3372^2 + 1252^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202123 + ... + 202186.

Almost surely, 2^12937888 is an apocalyptic number.

It is an amenable number.

12937888 is a deficient number, since it is larger than the sum of its proper divisors (12533642).

12937888 is an equidigital number, since it uses as much as digits as its factorization.

12937888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404319 (or 404311 counting only the distinct ones).

The product of its digits is 193536, while the sum is 46.

The square root of 12937888 is about 3596.9275778086. The cubic root of 12937888 is about 234.7583936060.

The spelling of 12937888 in words is "twelve million, nine hundred thirty-seven thousand, eight hundred eighty-eight".