12322872 has 48 divisors (see below), whose sum is σ = 34457280. Its totient is φ = 3974400.

The previous prime is 12322861. The next prime is 12322889. The reversal of 12322872 is 27822321.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 529 + ... + 4992.

It is an arithmetic number, because the mean of its divisors is an integer number (717860).

Almost surely, 2^12322872 is an apocalyptic number.

12322872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12322872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17228640).

12322872 is an abundant number, since it is smaller than the sum of its proper divisors (22134408).

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

12322872 is a wasteful number, since it uses less digits than its factorization.

12322872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5564 (or 5557 counting only the distinct ones).

The product of its digits is 2688, while the sum is 27.

The square root of 12322872 is about 3510.3948495860. The cubic root of 12322872 is about 230.9780155611.

The spelling of 12322872 in words is "twelve million, three hundred twenty-two thousand, eight hundred seventy-two".