12166472 has 32 divisors (see below), whose sum is σ = 23496480. Its totient is φ = 5904000.

The previous prime is 12166459. The next prime is 12166481. The reversal of 12166472 is 27466121.

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 in 7 ways as a sum of consecutive naturals, for example, 48347 + ... + 48597.

It is an arithmetic number, because the mean of its divisors is an integer number (734265).

Almost surely, 2^12166472 is an apocalyptic number.

It is an amenable number.

12166472 is a deficient number, since it is larger than the sum of its proper divisors (11330008).

12166472 is a wasteful number, since it uses less digits than its factorization.

12166472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413 (or 409 counting only the distinct ones).

The product of its digits is 4032, while the sum is 29.

The square root of 12166472 is about 3488.0470180317. The cubic root of 12166472 is about 229.9966729197.

The spelling of 12166472 in words is "twelve million, one hundred sixty-six thousand, four hundred seventy-two".