13431324 has 24 divisors (see below), whose sum is σ = 31400320. Its totient is φ = 4468464.

The previous prime is 13431323. The next prime is 13431349. The reversal of 13431324 is 42313431.

13431324 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 13431324.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13431323) 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, 9657 + ... + 10959.

Almost surely, 2^13431324 is an apocalyptic number.

It is an amenable number.

13431324 is an abundant number, since it is smaller than the sum of its proper divisors (17968996).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13431324 is a wasteful number, since it uses less digits than its factorization.

13431324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2169 (or 2167 counting only the distinct ones).

The product of its digits is 864, while the sum is 21.

The square root of 13431324 is about 3664.8770784298. The cubic root of 13431324 is about 237.7057069126.

Adding to 13431324 its reverse (42313431), we get a palindrome (55744755).

The spelling of 13431324 in words is "thirteen million, four hundred thirty-one thousand, three hundred twenty-four".