12984166 has 8 divisors (see below), whose sum is σ = 20974464. Its totient is φ = 5992680.

The previous prime is 12984157. The next prime is 12984193. The reversal of 12984166 is 66148921.

It is a happy number.

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 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, 249670 + ... + 249721.

It is an arithmetic number, because the mean of its divisors is an integer number (2621808).

Almost surely, 2^12984166 is an apocalyptic number.

12984166 is a deficient number, since it is larger than the sum of its proper divisors (7990298).

12984166 is a wasteful number, since it uses less digits than its factorization.

12984166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499406.

The product of its digits is 20736, while the sum is 37.

The square root of 12984166 is about 3603.3548257145. The cubic root of 12984166 is about 235.0379657990.

The spelling of 12984166 in words is "twelve million, nine hundred eighty-four thousand, one hundred sixty-six".