13312344 has 32 divisors (see below), whose sum is σ = 33502320. Its totient is φ = 4407936.

The previous prime is 13312319. The next prime is 13312349. The reversal of 13312344 is 44321331.

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 13312344.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13312349) 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, 2002 + ... + 5534.

Almost surely, 2^13312344 is an apocalyptic number.

It is an amenable number.

13312344 is an abundant number, since it is smaller than the sum of its proper divisors (20189976).

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

13312344 is a wasteful number, since it uses less digits than its factorization.

13312344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3699 (or 3695 counting only the distinct ones).

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

The square root of 13312344 is about 3648.6085018812. The cubic root of 13312344 is about 237.0017269186.

Adding to 13312344 its reverse (44321331), we get a palindrome (57633675).

The spelling of 13312344 in words is "thirteen million, three hundred twelve thousand, three hundred forty-four".