13031324 has 12 divisors (see below), whose sum is σ = 23591400. Its totient is φ = 6290928.

The previous prime is 13031309. The next prime is 13031329. The reversal of 13031324 is 42313031.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13031329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56054 + ... + 56285.

It is an arithmetic number, because the mean of its divisors is an integer number (1965950).

Almost surely, 2^13031324 is an apocalyptic number.

It is an amenable number.

13031324 is a deficient number, since it is larger than the sum of its proper divisors (10560076).

13031324 is a wasteful number, since it uses less digits than its factorization.

13031324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112372 (or 112370 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 13031324 is about 3609.8925191756. The cubic root of 13031324 is about 235.3221716697.

Adding to 13031324 its reverse (42313031), we get a palindrome (55344355).

The spelling of 13031324 in words is "thirteen million, thirty-one thousand, three hundred twenty-four".