12860870 has 32 divisors (see below), whose sum is σ = 25850880. Its totient is φ = 4566240.

The previous prime is 12860843. The next prime is 12860873. The reversal of 12860870 is 7806821.

12860870 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12860873) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3371 + ... + 6089.

It is an arithmetic number, because the mean of its divisors is an integer number (807840).

Almost surely, 2^12860870 is an apocalyptic number.

12860870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12860870 is an abundant number, since it is smaller than the sum of its proper divisors (12990010).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12860870 is a wasteful number, since it uses less digits than its factorization.

12860870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2780.

The product of its (nonzero) digits is 5376, while the sum is 32.

The square root of 12860870 is about 3586.2055155833. The cubic root of 12860870 is about 234.2916348253.

The spelling of 12860870 in words is "twelve million, eight hundred sixty thousand, eight hundred seventy".