12911166 has 24 divisors (see below), whose sum is σ = 28093104. Its totient is φ = 4285440.

The previous prime is 12911161. The next prime is 12911191. The reversal of 12911166 is 66111921.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12911161) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3231 + ... + 6021.

It is an arithmetic number, because the mean of its divisors is an integer number (1170546).

Almost surely, 2^12911166 is an apocalyptic number.

12911166 is an abundant number, since it is smaller than the sum of its proper divisors (15181938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12911166 is a wasteful number, since it uses less digits than its factorization.

12911166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3056 (or 3053 counting only the distinct ones).

The product of its digits is 648, while the sum is 27.

The square root of 12911166 is about 3593.2110987249. The cubic root of 12911166 is about 234.5966583556.

The spelling of 12911166 in words is "twelve million, nine hundred eleven thousand, one hundred sixty-six".