13225456 has 20 divisors (see below), whose sum is σ = 27132192. Its totient is φ = 6223616.

The previous prime is 13225453. The next prime is 13225517. The reversal of 13225456 is 65452231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13225451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24040 + ... + 24583.

Almost surely, 2^13225456 is an apocalyptic number.

13225456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13225456 is an abundant number, since it is smaller than the sum of its proper divisors (13906736).

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

13225456 is a wasteful number, since it uses less digits than its factorization.

13225456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48648 (or 48642 counting only the distinct ones).

The product of its digits is 7200, while the sum is 28.

The square root of 13225456 is about 3636.6820042451. The cubic root of 13225456 is about 236.4849741715.

Adding to 13225456 its reverse (65452231), we get a palindrome (78677687).

The spelling of 13225456 in words is "thirteen million, two hundred twenty-five thousand, four hundred fifty-six".