12999166 has 8 divisors (see below), whose sum is σ = 19913760. Its totient is φ = 6361248.

The previous prime is 12999157. The next prime is 12999179. The reversal of 12999166 is 66199921.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69051 + ... + 69238.

It is an arithmetic number, because the mean of its divisors is an integer number (2489220).

Almost surely, 2^12999166 is an apocalyptic number.

12999166 is a deficient number, since it is larger than the sum of its proper divisors (6914594).

12999166 is a wasteful number, since it uses less digits than its factorization.

12999166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138338.

The product of its digits is 52488, while the sum is 43.

The square root of 12999166 is about 3605.4356186181. The cubic root of 12999166 is about 235.1284404258.

The spelling of 12999166 in words is "twelve million, nine hundred ninety-nine thousand, one hundred sixty-six".