12431344 has 20 divisors (see below), whose sum is σ = 24161896. Its totient is φ = 6196032.

The previous prime is 12431329. The next prime is 12431357. The reversal of 12431344 is 44313421.

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, 4927 + ... + 7009.

Almost surely, 2^12431344 is an apocalyptic number.

It is an amenable number.

12431344 is a deficient number, since it is larger than the sum of its proper divisors (11730552).

12431344 is a wasteful number, since it uses less digits than its factorization.

12431344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2464 (or 2458 counting only the distinct ones).

The product of its digits is 1152, while the sum is 22.

The square root of 12431344 is about 3525.8111123541. The cubic root of 12431344 is about 231.6537641544.

Adding to 12431344 its reverse (44313421), we get a palindrome (56744765).

The spelling of 12431344 in words is "twelve million, four hundred thirty-one thousand, three hundred forty-four".