12118946 has 8 divisors (see below), whose sum is σ = 20775360. Its totient is φ = 5193828.

The previous prime is 12118933. The next prime is 12118961. The reversal of 12118946 is 64981121.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 432806 + ... + 432833.

It is an arithmetic number, because the mean of its divisors is an integer number (2596920).

Almost surely, 2^12118946 is an apocalyptic number.

12118946 is a deficient number, since it is larger than the sum of its proper divisors (8656414).

12118946 is an equidigital number, since it uses as much as digits as its factorization.

12118946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 865648.

The product of its digits is 3456, while the sum is 32.

The square root of 12118946 is about 3481.2276570199. The cubic root of 12118946 is about 229.6968027546.

The spelling of 12118946 in words is "twelve million, one hundred eighteen thousand, nine hundred forty-six".