11687256 has 48 divisors (see below), whose sum is σ = 36176400. Its totient is φ = 3339072.

The previous prime is 11687233. The next prime is 11687281. The reversal of 11687256 is 65278611.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 11687256.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11091 + ... + 12098.

It is an arithmetic number, because the mean of its divisors is an integer number (753675).

Almost surely, 2^11687256 is an apocalyptic number.

It is an amenable number.

11687256 is an abundant number, since it is smaller than the sum of its proper divisors (24489144).

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

11687256 is a wasteful number, since it uses less digits than its factorization.

11687256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23208 (or 23201 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 11687256 is about 3418.6628965138. The cubic root of 11687256 is about 226.9364128080.

The spelling of 11687256 in words is "eleven million, six hundred eighty-seven thousand, two hundred fifty-six".