12315275 has 12 divisors (see below), whose sum is σ = 17452752. Its totient is φ = 8444640.

The previous prime is 12315271. The next prime is 12315283. The reversal of 12315275 is 57251321.

12315275 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 12315275 - 2² = 12315271 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12315271) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35012 + ... + 35361.

It is an arithmetic number, because the mean of its divisors is an integer number (1454396).

Almost surely, 2^12315275 is an apocalyptic number.

12315275 is a deficient number, since it is larger than the sum of its proper divisors (5137477).

12315275 is an equidigital number, since it uses as much as digits as its factorization.

12315275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70390 (or 70385 counting only the distinct ones).

The product of its digits is 2100, while the sum is 26.

The square root of 12315275 is about 3509.3126107544. The cubic root of 12315275 is about 230.9305401375.

Adding to 12315275 its reverse (57251321), we get a palindrome (69566596).

The spelling of 12315275 in words is "twelve million, three hundred fifteen thousand, two hundred seventy-five".