12860286 has 8 divisors (see below), whose sum is σ = 25720584. Its totient is φ = 4286760.

The previous prime is 12860273. The next prime is 12860293. The reversal of 12860286 is 68206821.

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

12860286 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1071685 + ... + 1071696.

It is an arithmetic number, because the mean of its divisors is an integer number (3215073).

Almost surely, 2^12860286 is an apocalyptic number.

12860286 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12860286 is a wasteful number, since it uses less digits than its factorization.

12860286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2143386.

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 12860286 is about 3586.1240915507. The cubic root of 12860286 is about 234.2880884508.

The spelling of 12860286 in words is "twelve million, eight hundred sixty thousand, two hundred eighty-six".