11988976 has 20 divisors (see below), whose sum is σ = 23376232. Its totient is φ = 5956416.

The previous prime is 11988973. The next prime is 11988979. The reversal of 11988976 is 67988911.

It is an interprime number because it is at equal distance from previous prime (11988973) and next prime (11988979).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11988973) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 310 + ... + 4906.

Almost surely, 2^11988976 is an apocalyptic number.

11988976 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11988976 is a deficient number, since it is larger than the sum of its proper divisors (11387256).

11988976 is a wasteful number, since it uses less digits than its factorization.

11988976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4768 (or 4762 counting only the distinct ones).

The product of its digits is 217728, while the sum is 49.

The square root of 11988976 is about 3462.5100721875. The cubic root of 11988976 is about 228.8727196434.

The spelling of 11988976 in words is "eleven million, nine hundred eighty-eight thousand, nine hundred seventy-six".