12931064 has 16 divisors (see below), whose sum is σ = 24327000. Its totient is φ = 6443872.

The previous prime is 12931049. The next prime is 12931073. The reversal of 12931064 is 46013921.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14 + ... + 5085.

Almost surely, 2^12931064 is an apocalyptic number.

It is an amenable number.

12931064 is a deficient number, since it is larger than the sum of its proper divisors (11395936).

12931064 is a wasteful number, since it uses less digits than its factorization.

12931064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5422 (or 5418 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 12931064 is about 3595.9788653439. The cubic root of 12931064 is about 234.7171124476.

Adding to 12931064 its reverse (46013921), we get a palindrome (58944985).

The spelling of 12931064 in words is "twelve million, nine hundred thirty-one thousand, sixty-four".