12318275 has 6 divisors (see below), whose sum is σ = 15274692. Its totient is φ = 9854600.

The previous prime is 12318259. The next prime is 12318283. The reversal of 12318275 is 57281321.

It is not a de Polignac number, because 12318275 - 2⁴ = 12318259 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 246341 + ... + 246390.

It is an arithmetic number, because the mean of its divisors is an integer number (2545782).

Almost surely, 2^12318275 is an apocalyptic number.

12318275 is a deficient number, since it is larger than the sum of its proper divisors (2956417).

12318275 is an equidigital number, since it uses as much as digits as its factorization.

12318275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492741 (or 492736 counting only the distinct ones).

The product of its digits is 3360, while the sum is 29.

The square root of 12318275 is about 3509.7400188618. The cubic root of 12318275 is about 230.9492901688.

Adding to 12318275 its reverse (57281321), we get a palindrome (69599596).

The spelling of 12318275 in words is "twelve million, three hundred eighteen thousand, two hundred seventy-five".