12866928 has 40 divisors (see below), whose sum is σ = 33445776. Its totient is φ = 4262400.

The previous prime is 12866911. The next prime is 12866929. The reversal of 12866928 is 82966821.

It is a self number, because there is not a number n which added to its sum of digits gives 12866928.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12866929) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7948 + ... + 9428.

Almost surely, 2^12866928 is an apocalyptic number.

It is an amenable number.

12866928 is an abundant number, since it is smaller than the sum of its proper divisors (20578848).

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

12866928 is a wasteful number, since it uses less digits than its factorization.

12866928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1673 (or 1667 counting only the distinct ones).

The product of its digits is 82944, while the sum is 42.

The square root of 12866928 is about 3587.0500414686. The cubic root of 12866928 is about 234.3284160572.

The spelling of 12866928 in words is "twelve million, eight hundred sixty-six thousand, nine hundred twenty-eight".