13431044 has 24 divisors (see below), whose sum is σ = 25740288. Its totient is φ = 6081440.

The previous prime is 13431017. The next prime is 13431053. The reversal of 13431044 is 44013431.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16454 + ... + 17250.

It is an arithmetic number, because the mean of its divisors is an integer number (1072512).

Almost surely, 2^13431044 is an apocalyptic number.

It is an amenable number.

13431044 is a deficient number, since it is larger than the sum of its proper divisors (12309244).

13431044 is a wasteful number, since it uses less digits than its factorization.

13431044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1195 (or 1193 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 13431044 is about 3664.8388777680. The cubic root of 13431044 is about 237.7040551008.

Adding to 13431044 its reverse (44013431), we get a palindrome (57444475).

The spelling of 13431044 in words is "thirteen million, four hundred thirty-one thousand, forty-four".