12860428 has 12 divisors (see below), whose sum is σ = 25720912. Its totient is φ = 5511600.

The previous prime is 12860413. The next prime is 12860453. The reversal of 12860428 is 82406821.

12860428 is an admirable number.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 12860428.

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, 229623 + ... + 229678.

Almost surely, 2^12860428 is an apocalyptic number.

It is an amenable number.

12860428 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.

12860428 is a wasteful number, since it uses less digits than its factorization.

12860428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459312 (or 459310 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 12860428 is about 3586.1438900301. The cubic root of 12860428 is about 234.2889507640.

The spelling of 12860428 in words is "twelve million, eight hundred sixty thousand, four hundred twenty-eight".