12938886 has 32 divisors (see below), whose sum is σ = 30268800. Its totient is φ = 4085640.

The previous prime is 12938879. The next prime is 12938897. The reversal of 12938886 is 68883921.

12938886 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5280 + ... + 7331.

It is an arithmetic number, because the mean of its divisors is an integer number (945900).

Almost surely, 2^12938886 is an apocalyptic number.

12938886 is an abundant number, since it is smaller than the sum of its proper divisors (17329914).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12938886 is a wasteful number, since it uses less digits than its factorization.

12938886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12641 (or 12635 counting only the distinct ones).

The product of its digits is 165888, while the sum is 45.

The square root of 12938886 is about 3597.0663046433. The cubic root of 12938886 is about 234.7644296982.

It can be divided in two parts, 12938 and 886, that added together give a cube (13824 = 24³).

The spelling of 12938886 in words is "twelve million, nine hundred thirty-eight thousand, eight hundred eighty-six".