11256856 has 32 divisors (see below), whose sum is σ = 24071040. Its totient is φ = 4889088.

The previous prime is 11256853. The next prime is 11256859. The reversal of 11256856 is 65865211.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11256853) and next prime (11256859).

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11256851) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1416 + ... + 4951.

It is an arithmetic number, because the mean of its divisors is an integer number (752220).

Almost surely, 2^11256856 is an apocalyptic number.

It is an amenable number.

11256856 is an abundant number, since it is smaller than the sum of its proper divisors (12814184).

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

11256856 is a wasteful number, since it uses less digits than its factorization.

11256856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6403 (or 6399 counting only the distinct ones).

The product of its digits is 14400, while the sum is 34.

The square root of 11256856 is about 3355.1238427218. The cubic root of 11256856 is about 224.1157458785.

The spelling of 11256856 in words is "eleven million, two hundred fifty-six thousand, eight hundred fifty-six".