12293931 has 32 divisors (see below), whose sum is σ = 19031040. Its totient is φ = 6994944.

The previous prime is 12293927. The next prime is 12293947. The reversal of 12293931 is 13939221.

It is a happy number.

12293931 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12293931 - 2² = 12293927 is a prime.

It is a super-2 number, since 2×12293931² = 302281478865522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12293951) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34651 + ... + 35003.

It is an arithmetic number, because the mean of its divisors is an integer number (594720).

Almost surely, 2^12293931 is an apocalyptic number.

12293931 is a deficient number, since it is larger than the sum of its proper divisors (6737109).

12293931 is a wasteful number, since it uses less digits than its factorization.

12293931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435.

The product of its digits is 2916, while the sum is 30.

The square root of 12293931 is about 3506.2702405833. The cubic root of 12293931 is about 230.7970519364.

The spelling of 12293931 in words is "twelve million, two hundred ninety-three thousand, nine hundred thirty-one".