12309597 has 16 divisors (see below), whose sum is σ = 18354880. Its totient is φ = 8153136.

The previous prime is 12309593. The next prime is 12309607. The reversal of 12309597 is 79590321.

It is not a de Polignac number, because 12309597 - 2² = 12309593 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12309593) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3003 + ... + 5799.

It is an arithmetic number, because the mean of its divisors is an integer number (1147180).

Almost surely, 2^12309597 is an apocalyptic number.

It is an amenable number.

12309597 is a deficient number, since it is larger than the sum of its proper divisors (6045283).

12309597 is a wasteful number, since it uses less digits than its factorization.

12309597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2969 (or 2963 counting only the distinct ones).

The product of its (nonzero) digits is 17010, while the sum is 36.

The square root of 12309597 is about 3508.5035271466. The cubic root of 12309597 is about 230.8950442412.

The spelling of 12309597 in words is "twelve million, three hundred nine thousand, five hundred ninety-seven".