13225288 has 32 divisors (see below), whose sum is σ = 25857720. Its totient is φ = 6336000.

The previous prime is 13225279. The next prime is 13225291. The reversal of 13225288 is 88252231.

It can be written as a sum of positive squares in 4 ways, for example, as 6160324 + 7064964 = 2482^2 + 2658^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.

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 7 ways as a sum of consecutive naturals, for example, 19678 + ... + 20338.

Almost surely, 2^13225288 is an apocalyptic number.

It is an amenable number.

13225288 is a deficient number, since it is larger than the sum of its proper divisors (12632432).

13225288 is a wasteful number, since it uses less digits than its factorization.

13225288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769 (or 765 counting only the distinct ones).

The product of its digits is 7680, while the sum is 31.

The square root of 13225288 is about 3636.6589061940. The cubic root of 13225288 is about 236.4839728288.

It can be divided in two parts, 1322 and 5288, that multiplied together give a square (6990736 = 2644²).

The spelling of 13225288 in words is "thirteen million, two hundred twenty-five thousand, two hundred eighty-eight".