11856916 has 6 divisors (see below), whose sum is σ = 20749610. Its totient is φ = 5928456.

The previous prime is 11856899. The next prime is 11856919. The reversal of 11856916 is 61965811.

It can be written as a sum of positive squares in only one way, i.e., 11492100 + 364816 = 3390^2 + 604^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11856919) by changing a digit.

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 as a sum of consecutive naturals, namely, 1482111 + ... + 1482118.

Almost surely, 2^11856916 is an apocalyptic number.

It is an amenable number.

11856916 is a deficient number, since it is larger than the sum of its proper divisors (8892694).

11856916 is a wasteful number, since it uses less digits than its factorization.

11856916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2964233 (or 2964231 counting only the distinct ones).

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

The square root of 11856916 is about 3443.3872857987. The cubic root of 11856916 is about 228.0292616594.

The spelling of 11856916 in words is "eleven million, eight hundred fifty-six thousand, nine hundred sixteen".