11816984 has 16 divisors (see below), whose sum is σ = 22373520. Its totient is φ = 5850720.

The previous prime is 11816977. The next prime is 11816999. The reversal of 11816984 is 48961811.

It is a super-2 number, since 2×11816984² = 279282221712512, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6347 + ... + 7994.

It is an arithmetic number, because the mean of its divisors is an integer number (1398345).

Almost surely, 2^11816984 is an apocalyptic number.

It is an amenable number.

11816984 is a deficient number, since it is larger than the sum of its proper divisors (10556536).

11816984 is a wasteful number, since it uses less digits than its factorization.

11816984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14450 (or 14446 counting only the distinct ones).

The product of its digits is 13824, while the sum is 38.

The square root of 11816984 is about 3437.5840353364. The cubic root of 11816984 is about 227.7729863138.

The spelling of 11816984 in words is "eleven million, eight hundred sixteen thousand, nine hundred eighty-four".