12315152 has 20 divisors (see below), whose sum is σ = 24165120. Its totient is φ = 6079008.

The previous prime is 12315131. The next prime is 12315161. The reversal of 12315152 is 25151321.

It is a happy number.

12315152 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3608 + ... + 6135.

It is an arithmetic number, because the mean of its divisors is an integer number (1208256).

Almost surely, 2^12315152 is an apocalyptic number.

It is an amenable number.

12315152 is a deficient number, since it is larger than the sum of its proper divisors (11849968).

12315152 is an equidigital number, since it uses as much as digits as its factorization.

12315152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9830 (or 9824 counting only the distinct ones).

The product of its digits is 300, while the sum is 20.

The square root of 12315152 is about 3509.2950859111. The cubic root of 12315152 is about 230.9297713213.

Adding to 12315152 its reverse (25151321), we get a palindrome (37466473).

The spelling of 12315152 in words is "twelve million, three hundred fifteen thousand, one hundred fifty-two".