12951166 has 4 divisors (see below), whose sum is σ = 19426752. Its totient is φ = 6475582.

The previous prime is 12951163. The next prime is 12951193. The reversal of 12951166 is 66115921.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12951163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3237790 + ... + 3237793.

It is an arithmetic number, because the mean of its divisors is an integer number (4856688).

Almost surely, 2^12951166 is an apocalyptic number.

12951166 is a deficient number, since it is larger than the sum of its proper divisors (6475586).

12951166 is an equidigital number, since it uses as much as digits as its factorization.

12951166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6475585.

The product of its digits is 3240, while the sum is 31.

The square root of 12951166 is about 3598.7728464020. The cubic root of 12951166 is about 234.8386760603.

The spelling of 12951166 in words is "twelve million, nine hundred fifty-one thousand, one hundred sixty-six".