12315125 has 16 divisors (see below), whose sum is σ = 15567552. Its totient is φ = 9725200.

The previous prime is 12315113. The next prime is 12315131. The reversal of 12315125 is 52151321.

It is a happy number.

12315125 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12315125 - 2⁴ = 12315109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12315097 and 12315106.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9782 + ... + 10968.

It is an arithmetic number, because the mean of its divisors is an integer number (972972).

Almost surely, 2^12315125 is an apocalyptic number.

It is an amenable number.

12315125 is a deficient number, since it is larger than the sum of its proper divisors (3252427).

12315125 is an equidigital number, since it uses as much as digits as its factorization.

12315125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1285 (or 1275 counting only the distinct ones).

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

The square root of 12315125 is about 3509.2912389826. The cubic root of 12315125 is about 230.9296025560.

Adding to 12315125 its reverse (52151321), we get a palindrome (64466446).

The spelling of 12315125 in words is "twelve million, three hundred fifteen thousand, one hundred twenty-five".