12285666 has 24 divisors (see below), whose sum is σ = 28020720. Its totient is φ = 3879576.

The previous prime is 12285661. The next prime is 12285667. The reversal of 12285666 is 66658221.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12285666.

It is not an unprimeable number, because it can be changed into a prime (12285661) 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, 17620 + ... + 18303.

It is an arithmetic number, because the mean of its divisors is an integer number (1167530).

Almost surely, 2^12285666 is an apocalyptic number.

12285666 is an abundant number, since it is smaller than the sum of its proper divisors (15735054).

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

12285666 is a wasteful number, since it uses less digits than its factorization.

12285666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35950 (or 35947 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 12285666 is about 3505.0914396061. The cubic root of 12285666 is about 230.7453200354.

The spelling of 12285666 in words is "twelve million, two hundred eighty-five thousand, six hundred sixty-six".