13312244 has 12 divisors (see below), whose sum is σ = 25414368. Its totient is φ = 6051000.

The previous prime is 13312231. The next prime is 13312253. The reversal of 13312244 is 44221331.

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151232 + ... + 151319.

It is an arithmetic number, because the mean of its divisors is an integer number (2117864).

Almost surely, 2^13312244 is an apocalyptic number.

It is an amenable number.

13312244 is a deficient number, since it is larger than the sum of its proper divisors (12102124).

13312244 is a wasteful number, since it uses less digits than its factorization.

13312244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302566 (or 302564 counting only the distinct ones).

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

The square root of 13312244 is about 3648.5947980010. The cubic root of 13312244 is about 237.0011334786.

Adding to 13312244 its reverse (44221331), we get a palindrome (57533575).

The spelling of 13312244 in words is "thirteen million, three hundred twelve thousand, two hundred forty-four".