12609597 has 96 divisors (see below), whose sum is σ = 25297920. Its totient is φ = 5391360.

The previous prime is 12609587. The next prime is 12609607. The reversal of 12609597 is 79590621.

12609597 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 (12609587) and next prime (12609607).

It is not a de Polignac number, because 12609597 - 2⁶ = 12609533 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12609587) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 663654 + ... + 663672.

It is an arithmetic number, because the mean of its divisors is an integer number (263520).

Almost surely, 2^12609597 is an apocalyptic number.

12609597 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

12609597 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

12609597 is a wasteful number, since it uses less digits than its factorization.

12609597 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83 (or 70 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 39.

The square root of 12609597 is about 3550.9994367783. Note that the first 3 decimals coincide. The cubic root of 12609597 is about 232.7557412527.

12609597 divided by its sum of digits (39) gives a palindrome (323323).

The spelling of 12609597 in words is "twelve million, six hundred nine thousand, five hundred ninety-seven".