11988056 has 16 divisors (see below), whose sum is σ = 23001000. Its totient is φ = 5854464.

The previous prime is 11988047. The next prime is 11988061. The reversal of 11988056 is 65088911.

It is a congruent number.

It is an unprimeable number.

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, 17081 + ... + 17768.

Almost surely, 2^11988056 is an apocalyptic number.

It is an amenable number.

11988056 is a deficient number, since it is larger than the sum of its proper divisors (11012944).

11988056 is a wasteful number, since it uses less digits than its factorization.

11988056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34898 (or 34894 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 38.

The square root of 11988056 is about 3462.3772180397. The cubic root of 11988056 is about 228.8668651460.

The spelling of 11988056 in words is "eleven million, nine hundred eighty-eight thousand, fifty-six".