12871958 has 32 divisors (see below), whose sum is σ = 22560768. Its totient is φ = 5443200.

The previous prime is 12871933. The next prime is 12872003. The reversal of 12871958 is 85917821.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47363 + ... + 47633.

It is an arithmetic number, because the mean of its divisors is an integer number (705024).

Almost surely, 2^12871958 is an apocalyptic number.

12871958 is a deficient number, since it is larger than the sum of its proper divisors (9688810).

12871958 is a wasteful number, since it uses less digits than its factorization.

12871958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428.

The product of its digits is 40320, while the sum is 41.

The square root of 12871958 is about 3587.7511061945. The cubic root of 12871958 is about 234.3589470013.

The spelling of 12871958 in words is "twelve million, eight hundred seventy-one thousand, nine hundred fifty-eight".