12990166 has 8 divisors (see below), whose sum is σ = 22268880. Its totient is φ = 5567208.

The previous prime is 12990163. The next prime is 12990169. The reversal of 12990166 is 66109921.

It is an interprime number because it is at equal distance from previous prime (12990163) and next prime (12990169).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12990163) by changing a digit.

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, 463921 + ... + 463948.

It is an arithmetic number, because the mean of its divisors is an integer number (2783610).

Almost surely, 2^12990166 is an apocalyptic number.

12990166 is a deficient number, since it is larger than the sum of its proper divisors (9278714).

12990166 is an equidigital number, since it uses as much as digits as its factorization.

12990166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 927878.

The product of its (nonzero) digits is 5832, while the sum is 34.

The square root of 12990166 is about 3604.1872870316. The cubic root of 12990166 is about 235.0741640071.

The spelling of 12990166 in words is "twelve million, nine hundred ninety thousand, one hundred sixty-six".