12316825 has 6 divisors (see below), whose sum is σ = 15272894. Its totient is φ = 9853440.

The previous prime is 12316813. The next prime is 12316831. The reversal of 12316825 is 52861321.

It can be written as a sum of positive squares in 3 ways, for example, as 38809 + 12278016 = 197^2 + 3504^2 .

It is not a de Polignac number, because 12316825 - 2⁷ = 12316697 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 12316793 and 12316802.

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, 246312 + ... + 246361.

Almost surely, 2^12316825 is an apocalyptic number.

It is an amenable number.

12316825 is a deficient number, since it is larger than the sum of its proper divisors (2956069).

12316825 is an equidigital number, since it uses as much as digits as its factorization.

12316825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492683 (or 492678 counting only the distinct ones).

The product of its digits is 2880, while the sum is 28.

The square root of 12316825 is about 3509.5334447758. The cubic root of 12316825 is about 230.9402280338.

The spelling of 12316825 in words is "twelve million, three hundred sixteen thousand, eight hundred twenty-five".