12801166 has 8 divisors (see below), whose sum is σ = 21944880. Its totient is φ = 5486208.

The previous prime is 12801163. The next prime is 12801167. The reversal of 12801166 is 66110821.

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

It is a self number, because there is not a number n which added to its sum of digits gives 12801166.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12801161) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 457171 + ... + 457198.

It is an arithmetic number, because the mean of its divisors is an integer number (2743110).

Almost surely, 2^12801166 is an apocalyptic number.

12801166 is a deficient number, since it is larger than the sum of its proper divisors (9143714).

12801166 is an equidigital number, since it uses as much as digits as its factorization.

12801166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 914378.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 12801166 is about 3577.8717137427. The cubic root of 12801166 is about 233.9285217678.

Adding to 12801166 its reverse (66110821), we get a palindrome (78911987).

The spelling of 12801166 in words is "twelve million, eight hundred one thousand, one hundred sixty-six".