12929931 has 12 divisors (see below), whose sum is σ = 21344752. Its totient is φ = 7388496.

The previous prime is 12929897. The next prime is 12929941. The reversal of 12929931 is 13992921.

It is a happy number.

12929931 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12929931 - 2⁷ = 12929803 is a prime.

It is a super-2 number, since 2×12929931² = 334366231329522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12929941) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 102556 + ... + 102681.

Almost surely, 2^12929931 is an apocalyptic number.

12929931 is a deficient number, since it is larger than the sum of its proper divisors (8414821).

12929931 is a wasteful number, since it uses less digits than its factorization.

12929931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205250 (or 205247 counting only the distinct ones).

The product of its digits is 8748, while the sum is 36.

The square root of 12929931 is about 3595.8213248158. The cubic root of 12929931 is about 234.7102570629.

The spelling of 12929931 in words is "twelve million, nine hundred twenty-nine thousand, nine hundred thirty-one".