12166412 has 6 divisors (see below), whose sum is σ = 21291228. Its totient is φ = 6083204.

The previous prime is 12166393. The next prime is 12166421. The reversal of 12166412 is 21466121.

It is an unprimeable number.

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, 1520798 + ... + 1520805.

It is an arithmetic number, because the mean of its divisors is an integer number (3548538).

Almost surely, 2^12166412 is an apocalyptic number.

It is an amenable number.

12166412 is a deficient number, since it is larger than the sum of its proper divisors (9124816).

12166412 is a wasteful number, since it uses less digits than its factorization.

12166412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3041607 (or 3041605 counting only the distinct ones).

The product of its digits is 576, while the sum is 23.

The square root of 12166412 is about 3488.0384172196. The cubic root of 12166412 is about 229.9962948363.

The spelling of 12166412 in words is "twelve million, one hundred sixty-six thousand, four hundred twelve".