12183666 has 32 divisors (see below), whose sum is σ = 26707968. Its totient is φ = 3674640.

The previous prime is 12183659. The next prime is 12183667. The reversal of 12183666 is 66638121.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (12183667) 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 15 ways as a sum of consecutive naturals, for example, 23971 + ... + 24473.

It is an arithmetic number, because the mean of its divisors is an integer number (834624).

Almost surely, 2^12183666 is an apocalyptic number.

12183666 is an abundant number, since it is smaller than the sum of its proper divisors (14524302).

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

12183666 is a wasteful number, since it uses less digits than its factorization.

12183666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 886.

The product of its digits is 10368, while the sum is 33.

The square root of 12183666 is about 3490.5108508641. The cubic root of 12183666 is about 230.1049678403.

It can be divided in two parts, 1218 and 3666, that added together give a palindrome (4884).

The spelling of 12183666 in words is "twelve million, one hundred eighty-three thousand, six hundred sixty-six".