12366172 has 48 divisors (see below), whose sum is σ = 27179712. Its totient is φ = 4792320.

The previous prime is 12366163. The next prime is 12366173. The reversal of 12366172 is 27166321.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 12366172.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12366173) 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, 18972 + ... + 19612.

It is an arithmetic number, because the mean of its divisors is an integer number (566244).

Almost surely, 2^12366172 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12366172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13589856).

12366172 is an abundant number, since it is smaller than the sum of its proper divisors (14813540).

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

12366172 is a wasteful number, since it uses less digits than its factorization.

12366172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 718 (or 716 counting only the distinct ones).

The product of its digits is 3024, while the sum is 28.

The square root of 12366172 is about 3516.5568387273. The cubic root of 12366172 is about 231.2482354869.

The spelling of 12366172 in words is "twelve million, three hundred sixty-six thousand, one hundred seventy-two".