12871256 has 16 divisors (see below), whose sum is σ = 24174600. Its totient is φ = 6424704.

The previous prime is 12871247. The next prime is 12871259. The reversal of 12871256 is 65217821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12871259) 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, 5936 + ... + 7808.

Almost surely, 2^12871256 is an apocalyptic number.

It is an amenable number.

12871256 is a deficient number, since it is larger than the sum of its proper divisors (11303344).

12871256 is a wasteful number, since it uses less digits than its factorization.

12871256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2738 (or 2734 counting only the distinct ones).

The product of its digits is 6720, while the sum is 32.

The square root of 12871256 is about 3587.6532719871. The cubic root of 12871256 is about 234.3546865002.

The spelling of 12871256 in words is "twelve million, eight hundred seventy-one thousand, two hundred fifty-six".