12871317 has 8 divisors (see below), whose sum is σ = 17180640. Its totient is φ = 8571440.

The previous prime is 12871307. The next prime is 12871321. The reversal of 12871317 is 71317821.

12871317 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 12871317 - 2¹⁰ = 12870293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12871307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1942 + ... + 5432.

It is an arithmetic number, because the mean of its divisors is an integer number (2147580).

Almost surely, 2^12871317 is an apocalyptic number.

It is an amenable number.

12871317 is a deficient number, since it is larger than the sum of its proper divisors (4309323).

12871317 is a wasteful number, since it uses less digits than its factorization.

12871317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4723.

The product of its digits is 2352, while the sum is 30.

The square root of 12871317 is about 3587.6617733560. The cubic root of 12871317 is about 234.3550567208.

The spelling of 12871317 in words is "twelve million, eight hundred seventy-one thousand, three hundred seventeen".