13258256 has 40 divisors (see below), whose sum is σ = 28444608. Its totient is φ = 5936000.

The previous prime is 13258243. The next prime is 13258261. The reversal of 13258256 is 65285231.

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, 11966 + ... + 13026.

Almost surely, 2^13258256 is an apocalyptic number.

13258256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13258256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14222304).

13258256 is an abundant number, since it is smaller than the sum of its proper divisors (15186352).

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

13258256 is a wasteful number, since it uses less digits than its factorization.

13258256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1151 (or 1145 counting only the distinct ones).

The product of its digits is 14400, while the sum is 32.

The square root of 13258256 is about 3641.1888168564. The cubic root of 13258256 is about 236.6803122023.

The spelling of 13258256 in words is "thirteen million, two hundred fifty-eight thousand, two hundred fifty-six".