12315952 has 80 divisors (see below), whose sum is σ = 28569600. Its totient is φ = 5080320.

The previous prime is 12315943. The next prime is 12315967. The reversal of 12315952 is 25951321.

It is a self number, because there is not a number n which added to its sum of digits gives 12315952.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96913 + ... + 97039.

It is an arithmetic number, because the mean of its divisors is an integer number (357120).

Almost surely, 2^12315952 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 12315952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14284800).

12315952 is an abundant number, since it is smaller than the sum of its proper divisors (16253648).

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

12315952 is a wasteful number, since it uses less digits than its factorization.

12315952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194 (or 188 counting only the distinct ones).

The product of its digits is 2700, while the sum is 28.

The square root of 12315952 is about 3509.4090670653. The cubic root of 12315952 is about 230.9347716606.

The spelling of 12315952 in words is "twelve million, three hundred fifteen thousand, nine hundred fifty-two".