11999984 has 20 divisors (see below), whose sum is σ = 23316216. Its totient is φ = 5982912.

The previous prime is 11999941. The next prime is 11999987. The reversal of 11999984 is 48999911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11999987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6242 + ... + 7934.

Almost surely, 2^11999984 is an apocalyptic number.

It is an amenable number.

11999984 is a deficient number, since it is larger than the sum of its proper divisors (11316232).

11999984 is a wasteful number, since it uses less digits than its factorization.

11999984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2144 (or 2138 counting only the distinct ones).

The product of its digits is 209952, while the sum is 50.

The square root of 11999984 is about 3464.0993057359. The cubic root of 11999984 is about 228.9427467582.

The spelling of 11999984 in words is "eleven million, nine hundred ninety-nine thousand, nine hundred eighty-four".