12315372 has 48 divisors (see below), whose sum is σ = 30455040. Its totient is φ = 3866688.

The previous prime is 12315371. The next prime is 12315383. The reversal of 12315372 is 27351321.

It is not an unprimeable number, because it can be changed into a prime (12315371) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14553 + ... + 15375.

It is an arithmetic number, because the mean of its divisors is an integer number (634480).

Almost surely, 2^12315372 is an apocalyptic number.

12315372 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 12315372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15227520).

12315372 is an abundant number, since it is smaller than the sum of its proper divisors (18139668).

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

12315372 is a wasteful number, since it uses less digits than its factorization.

12315372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 902 (or 900 counting only the distinct ones).

The product of its digits is 1260, while the sum is 24.

The square root of 12315372 is about 3509.3264310976. The cubic root of 12315372 is about 230.9311464362.

Adding to 12315372 its reverse (27351321), we get a palindrome (39666693).

The spelling of 12315372 in words is "twelve million, three hundred fifteen thousand, three hundred seventy-two".