11877988 has 6 divisors (see below), whose sum is σ = 20786486. Its totient is φ = 5938992.

The previous prime is 11877953. The next prime is 11877997. The reversal of 11877988 is 88977811.

It can be written as a sum of positive squares in only one way, i.e., 5963364 + 5914624 = 2442^2 + 2432^2 .

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 as a sum of consecutive naturals, namely, 1484745 + ... + 1484752.

Almost surely, 2^11877988 is an apocalyptic number.

It is an amenable number.

11877988 is a deficient number, since it is larger than the sum of its proper divisors (8908498).

11877988 is a wasteful number, since it uses less digits than its factorization.

11877988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2969501 (or 2969499 counting only the distinct ones).

The product of its digits is 225792, while the sum is 49.

The square root of 11877988 is about 3446.4457053608. The cubic root of 11877988 is about 228.1642655374.

The spelling of 11877988 in words is "eleven million, eight hundred seventy-seven thousand, nine hundred eighty-eight".