11983664 has 80 divisors (see below), whose sum is σ = 29569536. Its totient is φ = 4569600.

The previous prime is 11983663. The next prime is 11983669. The reversal of 11983664 is 46638911.

It is not an unprimeable number, because it can be changed into a prime (11983663) 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 15 ways as a sum of consecutive naturals, for example, 87404 + ... + 87540.

Almost surely, 2^11983664 is an apocalyptic number.

11983664 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11983664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14784768).

11983664 is an abundant number, since it is smaller than the sum of its proper divisors (17585872).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11983664 is a wasteful number, since it uses less digits than its factorization.

11983664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234 (or 228 counting only the distinct ones).

The product of its digits is 31104, while the sum is 38.

The square root of 11983664 is about 3461.7429136202. The cubic root of 11983664 is about 228.8389121553.

The spelling of 11983664 in words is "eleven million, nine hundred eighty-three thousand, six hundred sixty-four".