12118975 has 24 divisors (see below), whose sum is σ = 16570368. Its totient is φ = 8719200.

The previous prime is 12118969. The next prime is 12119021. The reversal of 12118975 is 57981121.

It is a happy number.

It is not a de Polignac number, because 12118975 - 2²³ = 3730367 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12118975.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34752 + ... + 35098.

It is an arithmetic number, because the mean of its divisors is an integer number (690432).

Almost surely, 2^12118975 is an apocalyptic number.

12118975 is a deficient number, since it is larger than the sum of its proper divisors (4451393).

12118975 is a wasteful number, since it uses less digits than its factorization.

12118975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495 (or 490 counting only the distinct ones).

The product of its digits is 5040, while the sum is 34.

The square root of 12118975 is about 3481.2318222147. The cubic root of 12118975 is about 229.6969859719.

The spelling of 12118975 in words is "twelve million, one hundred eighteen thousand, nine hundred seventy-five".