12871670 has 16 divisors (see below), whose sum is σ = 26479008. Its totient is φ = 4413120.

The previous prime is 12871657. The next prime is 12871673. The reversal of 12871670 is 7617821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12871673) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91871 + ... + 92010.

It is an arithmetic number, because the mean of its divisors is an integer number (1654938).

Almost surely, 2^12871670 is an apocalyptic number.

12871670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12871670 is an abundant number, since it is smaller than the sum of its proper divisors (13607338).

12871670 is a wasteful number, since it uses less digits than its factorization.

12871670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183895.

The product of its (nonzero) digits is 4704, while the sum is 32.

The square root of 12871670 is about 3587.7109694065. The cubic root of 12871670 is about 234.3571991221.

The spelling of 12871670 in words is "twelve million, eight hundred seventy-one thousand, six hundred seventy".