12955597 has 4 divisors (see below), whose sum is σ = 13231296. Its totient is φ = 12679900.

The previous prime is 12955543. The next prime is 12955609. The reversal of 12955597 is 79555921.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12955597 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 (12955517) 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, 137779 + ... + 137872.

It is an arithmetic number, because the mean of its divisors is an integer number (3307824).

Almost surely, 2^12955597 is an apocalyptic number.

It is an amenable number.

12955597 is a deficient number, since it is larger than the sum of its proper divisors (275699).

12955597 is an equidigital number, since it uses as much as digits as its factorization.

12955597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275698.

The product of its digits is 141750, while the sum is 43.

The square root of 12955597 is about 3599.3884202736. The cubic root of 12955597 is about 234.8654548982.

The spelling of 12955597 in words is "twelve million, nine hundred fifty-five thousand, five hundred ninety-seven".