12315597 has 8 divisors (see below), whose sum is σ = 18766656. Its totient is φ = 7037472.

The previous prime is 12315581. The next prime is 12315613. The reversal of 12315597 is 79551321.

12315597 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12315581) and next prime (12315613).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12315597 - 2⁴ = 12315581 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12315577) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 293208 + ... + 293249.

It is an arithmetic number, because the mean of its divisors is an integer number (2345832).

Almost surely, 2^12315597 is an apocalyptic number.

It is an amenable number.

12315597 is a deficient number, since it is larger than the sum of its proper divisors (6451059).

12315597 is an equidigital number, since it uses as much as digits as its factorization.

12315597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586467.

The product of its digits is 9450, while the sum is 33.

The square root of 12315597 is about 3509.3584883850. The cubic root of 12315597 is about 230.9325527868.

The spelling of 12315597 in words is "twelve million, three hundred fifteen thousand, five hundred ninety-seven".