12315116 has 24 divisors (see below), whose sum is σ = 24749760. Its totient is φ = 5302800.

The previous prime is 12315113. The next prime is 12315131. The reversal of 12315116 is 61151321.

It is not an unprimeable number, because it can be changed into a prime (12315113) 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, 6530 + ... + 8201.

It is an arithmetic number, because the mean of its divisors is an integer number (1031240).

Almost surely, 2^12315116 is an apocalyptic number.

It is an amenable number.

12315116 is an abundant number, since it is smaller than the sum of its proper divisors (12434644).

12315116 is a wasteful number, since it uses less digits than its factorization.

12315116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14765 (or 14763 counting only the distinct ones).

The product of its digits is 180, while the sum is 20.

The square root of 12315116 is about 3509.2899566721. The cubic root of 12315116 is about 230.9295463009.

Adding to 12315116 its reverse (61151321), we get a palindrome (73466437).

The spelling of 12315116 in words is "twelve million, three hundred fifteen thousand, one hundred sixteen".