12768858 has 12 divisors (see below), whose sum is σ = 27665898. Its totient is φ = 4256280.

The previous prime is 12768857. The next prime is 12768881. The reversal of 12768858 is 85886721.

12768858 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 12723489 + 45369 = 3567^2 + 213^2 .

It is not an unprimeable number, because it can be changed into a prime (12768851) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 354673 + ... + 354708.

Almost surely, 2^12768858 is an apocalyptic number.

12768858 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

12768858 is an abundant number, since it is smaller than the sum of its proper divisors (14897040).

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

12768858 is a wasteful number, since it uses less digits than its factorization.

12768858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 709389 (or 709386 counting only the distinct ones).

The product of its digits is 215040, while the sum is 45.

The square root of 12768858 is about 3573.3538867568. The cubic root of 12768858 is about 233.7315571635.

The spelling of 12768858 in words is "twelve million, seven hundred sixty-eight thousand, eight hundred fifty-eight".