12871597 has 8 divisors (see below), whose sum is σ = 13272032. Its totient is φ = 12474000.

The previous prime is 12871591. The next prime is 12871613. The reversal of 12871597 is 79517821.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12871597 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 (12871591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11722 + ... + 12772.

It is an arithmetic number, because the mean of its divisors is an integer number (1659004).

Almost surely, 2^12871597 is an apocalyptic number.

It is an amenable number.

12871597 is a deficient number, since it is larger than the sum of its proper divisors (400435).

12871597 is a wasteful number, since it uses less digits than its factorization.

12871597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1419.

The product of its digits is 35280, while the sum is 40.

The square root of 12871597 is about 3587.7007957744. The cubic root of 12871597 is about 234.3567560792.

The spelling of 12871597 in words is "twelve million, eight hundred seventy-one thousand, five hundred ninety-seven".