12329931 has 16 divisors (see below), whose sum is σ = 16858368. Its totient is φ = 8013600.

The previous prime is 12329903. The next prime is 12329953. The reversal of 12329931 is 13992321.

It is a happy number.

It is not a de Polignac number, because 12329931 - 2¹⁰ = 12328907 is a prime.

It is a super-2 number, since 2×12329931² = 304054396929522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12329431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22521 + ... + 23061.

It is an arithmetic number, because the mean of its divisors is an integer number (1053648).

Almost surely, 2^12329931 is an apocalyptic number.

12329931 is a deficient number, since it is larger than the sum of its proper divisors (4528437).

12329931 is a wasteful number, since it uses less digits than its factorization.

12329931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 722.

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

The square root of 12329931 is about 3511.4001480891. The cubic root of 12329931 is about 231.0221114120.

The spelling of 12329931 in words is "twelve million, three hundred twenty-nine thousand, nine hundred thirty-one".