11886988 has 6 divisors (see below), whose sum is σ = 20802236. Its totient is φ = 5943492.

The previous prime is 11886983. The next prime is 11886991. The reversal of 11886988 is 88968811.

It is not an unprimeable number, because it can be changed into a prime (11886983) by changing a digit.

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 as a sum of consecutive naturals, namely, 1485870 + ... + 1485877.

Almost surely, 2^11886988 is an apocalyptic number.

It is an amenable number.

11886988 is a deficient number, since it is larger than the sum of its proper divisors (8915248).

11886988 is a wasteful number, since it uses less digits than its factorization.

11886988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2971751 (or 2971749 counting only the distinct ones).

The product of its digits is 221184, while the sum is 49.

The square root of 11886988 is about 3447.7511511129. The cubic root of 11886988 is about 228.2218779872.

The spelling of 11886988 in words is "eleven million, eight hundred eighty-six thousand, nine hundred eighty-eight".