13531324 has 24 divisors (see below), whose sum is σ = 24449040. Its totient is φ = 6549504.

The previous prime is 13531319. The next prime is 13531333. The reversal of 13531324 is 42313531.

It is a junction number, because it is equal to n+sod(n) for n = 13531295 and 13531304.

It is a congruent 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, 17212 + ... + 17980.

It is an arithmetic number, because the mean of its divisors is an integer number (1018710).

Almost surely, 2^13531324 is an apocalyptic number.

It is an amenable number.

13531324 is a deficient number, since it is larger than the sum of its proper divisors (10917716).

13531324 is a wasteful number, since it uses less digits than its factorization.

13531324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909 (or 907 counting only the distinct ones).

The product of its digits is 1080, while the sum is 22.

The square root of 13531324 is about 3678.4948008662. The cubic root of 13531324 is about 238.2941775808.

Adding to 13531324 its reverse (42313531), we get a palindrome (55844855).

The spelling of 13531324 in words is "thirteen million, five hundred thirty-one thousand, three hundred twenty-four".