12315344 has 40 divisors (see below), whose sum is σ = 26605440. Its totient is φ = 5488128.

The previous prime is 12315323. The next prime is 12315349. The reversal of 12315344 is 44351321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12315349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3977 + ... + 6359.

It is an arithmetic number, because the mean of its divisors is an integer number (665136).

Almost surely, 2^12315344 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 12315344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13302720).

12315344 is an abundant number, since it is smaller than the sum of its proper divisors (14290096).

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

12315344 is a wasteful number, since it uses less digits than its factorization.

12315344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2427 (or 2421 counting only the distinct ones).

The product of its digits is 1440, while the sum is 23.

The square root of 12315344 is about 3509.3224417258. The cubic root of 12315344 is about 230.9309714225.

Adding to 12315344 its reverse (44351321), we get a palindrome (56666665).

The spelling of 12315344 in words is "twelve million, three hundred fifteen thousand, three hundred forty-four".