12315113 has 2 divisors, whose sum is σ = 12315114. Its totient is φ = 12315112.

The previous prime is 12315109. The next prime is 12315131. The reversal of 12315113 is 31151321.

12315113 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (12315131) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11888704 + 426409 = 3448^2 + 653^2 .

It is a cyclic number.

It is not a de Polignac number, because 12315113 - 2² = 12315109 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12315091 and 12315100.

It is not a weakly prime, because it can be changed into another prime (12315103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6157556 + 6157557.

It is an arithmetic number, because the mean of its divisors is an integer number (6157557).

Almost surely, 2^12315113 is an apocalyptic number.

It is an amenable number.

12315113 is a deficient number, since it is larger than the sum of its proper divisors (1).

12315113 is an equidigital number, since it uses as much as digits as its factorization.

12315113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90, while the sum is 17.

The square root of 12315113 is about 3509.2895292352. The cubic root of 12315113 is about 230.9295275492.

Adding to 12315113 its reverse (31151321), we get a palindrome (43466434).

The spelling of 12315113 in words is "twelve million, three hundred fifteen thousand, one hundred thirteen".