11998984 has 16 divisors (see below), whose sum is σ = 23224320. Its totient is φ = 5805840.

The previous prime is 11998979. The next prime is 11999027. The reversal of 11998984 is 48989911.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 23944 + ... + 24439.

It is an arithmetic number, because the mean of its divisors is an integer number (1451520).

Almost surely, 2^11998984 is an apocalyptic number.

It is an amenable number.

11998984 is a deficient number, since it is larger than the sum of its proper divisors (11225336).

11998984 is a wasteful number, since it uses less digits than its factorization.

11998984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48420 (or 48416 counting only the distinct ones).

The product of its digits is 186624, while the sum is 49.

The square root of 11998984 is about 3463.9549650652. The cubic root of 11998984 is about 228.9363870524.

The spelling of 11998984 in words is "eleven million, nine hundred ninety-eight thousand, nine hundred eighty-four".