12316597 has 4 divisors (see below), whose sum is σ = 12649516. Its totient is φ = 11983680.

The previous prime is 12316589. The next prime is 12316609. The reversal of 12316597 is 79561321.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8964036 + 3352561 = 2994^2 + 1831^2 .

It is a cyclic number.

It is not a de Polignac number, because 12316597 - 2³ = 12316589 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12316547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166404 + ... + 166477.

It is an arithmetic number, because the mean of its divisors is an integer number (3162379).

Almost surely, 2^12316597 is an apocalyptic number.

It is an amenable number.

12316597 is a deficient number, since it is larger than the sum of its proper divisors (332919).

12316597 is an equidigital number, since it uses as much as digits as its factorization.

12316597 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332918.

The product of its digits is 11340, while the sum is 34.

The square root of 12316597 is about 3509.5009616753. The cubic root of 12316597 is about 230.9388030265.

The spelling of 12316597 in words is "twelve million, three hundred sixteen thousand, five hundred ninety-seven".