13225244 has 12 divisors (see below), whose sum is σ = 23175600. Its totient is φ = 6603648.

The previous prime is 13225237. The next prime is 13225259. The reversal of 13225244 is 44252231.

It is a happy number.

13225244 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1937 + ... + 5495.

It is an arithmetic number, because the mean of its divisors is an integer number (1931300).

Almost surely, 2^13225244 is an apocalyptic number.

It is an amenable number.

13225244 is a deficient number, since it is larger than the sum of its proper divisors (9950356).

13225244 is a wasteful number, since it uses less digits than its factorization.

13225244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4492 (or 4490 counting only the distinct ones).

The product of its digits is 1920, while the sum is 23.

The square root of 13225244 is about 3636.6528566802. The cubic root of 13225244 is about 236.4837105709.

Adding to 13225244 its reverse (44252231), we get a palindrome (57477475).

The spelling of 13225244 in words is "thirteen million, two hundred twenty-five thousand, two hundred forty-four".