12431684 has 24 divisors (see below), whose sum is σ = 22868160. Its totient is φ = 5901984.

The previous prime is 12431663. The next prime is 12431689. The reversal of 12431684 is 48613421.

12431684 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12431689) 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, 14582 + ... + 15410.

It is an arithmetic number, because the mean of its divisors is an integer number (952840).

Almost surely, 2^12431684 is an apocalyptic number.

It is an amenable number.

12431684 is a deficient number, since it is larger than the sum of its proper divisors (10436476).

12431684 is a wasteful number, since it uses less digits than its factorization.

12431684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1019 (or 1017 counting only the distinct ones).

The product of its digits is 4608, while the sum is 29.

The square root of 12431684 is about 3525.8593278802. The cubic root of 12431684 is about 231.6558760623.

The spelling of 12431684 in words is "twelve million, four hundred thirty-one thousand, six hundred eighty-four".