11816956 has 12 divisors (see below), whose sum is σ = 20971440. Its totient is φ = 5825120.

The previous prime is 11816951. The next prime is 11816977. The reversal of 11816956 is 65961811.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11816951) 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, 20521 + ... + 21088.

It is an arithmetic number, because the mean of its divisors is an integer number (1747620).

Almost surely, 2^11816956 is an apocalyptic number.

It is an amenable number.

11816956 is a deficient number, since it is larger than the sum of its proper divisors (9154484).

11816956 is a wasteful number, since it uses less digits than its factorization.

11816956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41684 (or 41682 counting only the distinct ones).

The product of its digits is 12960, while the sum is 37.

The square root of 11816956 is about 3437.5799627063. The cubic root of 11816956 is about 227.7728064132.

The spelling of 11816956 in words is "eleven million, eight hundred sixteen thousand, nine hundred fifty-six".