11867256 has 32 divisors (see below), whose sum is σ = 32965200. Its totient is φ = 3955680.

The previous prime is 11867249. The next prime is 11867299. The reversal of 11867256 is 65276811.

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 11867256.

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 7 ways as a sum of consecutive naturals, for example, 27255 + ... + 27686.

Almost surely, 2^11867256 is an apocalyptic number.

It is an amenable number.

11867256 is an abundant number, since it is smaller than the sum of its proper divisors (21097944).

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

11867256 is a wasteful number, since it uses less digits than its factorization.

11867256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54956 (or 54946 counting only the distinct ones).

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

The square root of 11867256 is about 3444.8883871615. Note that the first 3 decimals coincide. The cubic root of 11867256 is about 228.0955278370.

The spelling of 11867256 in words is "eleven million, eight hundred sixty-seven thousand, two hundred fifty-six".