13225844 has 6 divisors (see below), whose sum is σ = 23145234. Its totient is φ = 6612920.

The previous prime is 13225841. The next prime is 13225873. The reversal of 13225844 is 44852231.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 10163344 + 3062500 = 3188^2 + 1750^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13225841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1653227 + ... + 1653234.

It is an arithmetic number, because the mean of its divisors is an integer number (3857539).

Almost surely, 2^13225844 is an apocalyptic number.

It is an amenable number.

13225844 is a deficient number, since it is larger than the sum of its proper divisors (9919390).

13225844 is a wasteful number, since it uses less digits than its factorization.

13225844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3306465 (or 3306463 counting only the distinct ones).

The product of its digits is 7680, while the sum is 29.

The square root of 13225844 is about 3636.7353491834. The cubic root of 13225844 is about 236.4872867641.

The spelling of 13225844 in words is "thirteen million, two hundred twenty-five thousand, eight hundred forty-four".