13112256 has 56 divisors (see below), whose sum is σ = 35828224. Its totient is φ = 4227840.

The previous prime is 13112249. The next prime is 13112273. The reversal of 13112256 is 65221131.

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, 4851 + ... + 7053.

Almost surely, 2^13112256 is an apocalyptic number.

13112256 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 13112256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17914112).

13112256 is an abundant number, since it is smaller than the sum of its proper divisors (22715968).

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

13112256 is a wasteful number, since it uses less digits than its factorization.

13112256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2249 (or 2239 counting only the distinct ones).

The product of its digits is 360, while the sum is 21.

The square root of 13112256 is about 3621.0849202967. The cubic root of 13112256 is about 235.8083285249.

Adding to 13112256 its reverse (65221131), we get a palindrome (78333387).

The spelling of 13112256 in words is "thirteen million, one hundred twelve thousand, two hundred fifty-six".