11856136 has 16 divisors (see below), whose sum is σ = 22947840. Its totient is φ = 5736720.

The previous prime is 11856113. The next prime is 11856139. The reversal of 11856136 is 63165811.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a junction number, because it is equal to n+sod(n) for n = 11856098 and 11856107.

It is not an unprimeable number, because it can be changed into a prime (11856139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23656 + ... + 24151.

It is an arithmetic number, because the mean of its divisors is an integer number (1434240).

Almost surely, 2^11856136 is an apocalyptic number.

It is an amenable number.

11856136 is a deficient number, since it is larger than the sum of its proper divisors (11091704).

11856136 is a wasteful number, since it uses less digits than its factorization.

11856136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47844 (or 47840 counting only the distinct ones).

The product of its digits is 4320, while the sum is 31.

The square root of 11856136 is about 3443.2740233679. The cubic root of 11856136 is about 228.0242612943.

The spelling of 11856136 in words is "eleven million, eight hundred fifty-six thousand, one hundred thirty-six".