11668975 has 12 divisors (see below), whose sum is σ = 14579424. Its totient is φ = 9264320.

The previous prime is 11668967. The next prime is 11668997. The reversal of 11668975 is 57986611.

It is a happy number.

It is not a de Polignac number, because 11668975 - 2³ = 11668967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1722 + ... + 5128.

It is an arithmetic number, because the mean of its divisors is an integer number (1214952).

Almost surely, 2^11668975 is an apocalyptic number.

11668975 is a deficient number, since it is larger than the sum of its proper divisors (2910449).

11668975 is a wasteful number, since it uses less digits than its factorization.

11668975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3554 (or 3549 counting only the distinct ones).

The product of its digits is 90720, while the sum is 43.

The square root of 11668975 is about 3415.9881440075. The cubic root of 11668975 is about 226.8180277479.

The spelling of 11668975 in words is "eleven million, six hundred sixty-eight thousand, nine hundred seventy-five".