12166242 has 16 divisors (see below), whose sum is σ = 26544672. Its totient is φ = 3686720.

The previous prime is 12166207. The next prime is 12166243. The reversal of 12166242 is 24266121.

It is not an unprimeable number, because it can be changed into a prime (12166243) 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 7 ways as a sum of consecutive naturals, for example, 92103 + ... + 92234.

It is an arithmetic number, because the mean of its divisors is an integer number (1659042).

Almost surely, 2^12166242 is an apocalyptic number.

12166242 is an abundant number, since it is smaller than the sum of its proper divisors (14378430).

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

12166242 is a wasteful number, since it uses less digits than its factorization.

12166242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184353.

The product of its digits is 1152, while the sum is 24.

The square root of 12166242 is about 3488.0140481368. The cubic root of 12166242 is about 229.9952235933.

The spelling of 12166242 in words is "twelve million, one hundred sixty-six thousand, two hundred forty-two".