13225056 has 48 divisors (see below), whose sum is σ = 37389744. Its totient is φ = 4068864.

The previous prime is 13225039. The next prime is 13225061. The reversal of 13225056 is 65052231.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4051 + ... + 6546.

It is an arithmetic number, because the mean of its divisors is an integer number (778953).

Almost surely, 2^13225056 is an apocalyptic number.

13225056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13225056 is an abundant number, since it is smaller than the sum of its proper divisors (24164688).

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

13225056 is a wasteful number, since it uses less digits than its factorization.

13225056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10623 (or 10615 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 13225056 is about 3636.6270086441. The cubic root of 13225056 is about 236.4825900082.

Adding to 13225056 its reverse (65052231), we get a palindrome (78277287).

The spelling of 13225056 in words is "thirteen million, two hundred twenty-five thousand, fifty-six".