13258056 has 64 divisors (see below), whose sum is σ = 38620800. Its totient is φ = 3714048.

The previous prime is 13258039. The next prime is 13258073. The reversal of 13258056 is 65085231.

It is an interprime number because it is at equal distance from previous prime (13258039) and next prime (13258073).

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, 8160 + ... + 9648.

It is an arithmetic number, because the mean of its divisors is an integer number (603450).

Almost surely, 2^13258056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13258056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19310400).

13258056 is an abundant number, since it is smaller than the sum of its proper divisors (25362744).

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

13258056 is a wasteful number, since it uses less digits than its factorization.

13258056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1558 (or 1554 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 13258056 is about 3641.1613531949. The cubic root of 13258056 is about 236.6791220935.

The spelling of 13258056 in words is "thirteen million, two hundred fifty-eight thousand, fifty-six".