12859788 has 24 divisors (see below), whose sum is σ = 30345840. Its totient is φ = 4238080.

The previous prime is 12859787. The next prime is 12859793. The reversal of 12859788 is 88795821.

It is not an unprimeable number, because it can be changed into a prime (12859787) 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, 4953 + ... + 7088.

It is an arithmetic number, because the mean of its divisors is an integer number (1264410).

Almost surely, 2^12859788 is an apocalyptic number.

It is an amenable number.

12859788 is an abundant number, since it is smaller than the sum of its proper divisors (17486052).

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

12859788 is a wasteful number, since it uses less digits than its factorization.

12859788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12137 (or 12135 counting only the distinct ones).

The product of its digits is 322560, while the sum is 48.

The square root of 12859788 is about 3586.0546565829. The cubic root of 12859788 is about 234.2850642315.

The spelling of 12859788 in words is "twelve million, eight hundred fifty-nine thousand, seven hundred eighty-eight".