12182272 has 36 divisors (see below), whose sum is σ = 25386480. Its totient is φ = 5823488.

The previous prime is 12182257. The next prime is 12182279. The reversal of 12182272 is 27228121.

It is not an unprimeable number, because it can be changed into a prime (12182279) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4854 + ... + 6922.

It is an arithmetic number, because the mean of its divisors is an integer number (705180).

Almost surely, 2^12182272 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 12182272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12693240).

12182272 is an abundant number, since it is smaller than the sum of its proper divisors (13204208).

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

12182272 is an equidigital number, since it uses as much as digits as its factorization.

12182272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2108 (or 2094 counting only the distinct ones).

The product of its digits is 896, while the sum is 25.

The square root of 12182272 is about 3490.3111609139. The cubic root of 12182272 is about 230.0961916487.

The spelling of 12182272 in words is "twelve million, one hundred eighty-two thousand, two hundred seventy-two".