13304256 has 112 divisors (see below), whose sum is σ = 42428160. Its totient is φ = 3594240.

The previous prime is 13304233. The next prime is 13304267. The reversal of 13304256 is 65240331.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (112).

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 15 ways as a sum of consecutive naturals, for example, 25276 + ... + 25796.

Almost surely, 2^13304256 is an apocalyptic number.

13304256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is a pronic number, being equal to 3647×3648.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13304256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21214080).

13304256 is an abundant number, since it is smaller than the sum of its proper divisors (29123904).

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

13304256 is a wasteful number, since it uses less digits than its factorization.

13304256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562 (or 552 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 13304256 is about 3647.4999657300. The cubic root of 13304256 is about 236.9537198885.

Adding to 13304256 its reverse (65240331), we get a palindrome (78544587).

The spelling of 13304256 in words is "thirteen million, three hundred four thousand, two hundred fifty-six".