12805868 has 12 divisors (see below), whose sum is σ = 22447152. Its totient is φ = 6392400.

The previous prime is 12805861. The next prime is 12805901. The reversal of 12805868 is 86850821.

It is not an unprimeable number, because it can be changed into a prime (12805861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 521 + ... + 5087.

It is an arithmetic number, because the mean of its divisors is an integer number (1870596).

Almost surely, 2^12805868 is an apocalyptic number.

It is an amenable number.

12805868 is a deficient number, since it is larger than the sum of its proper divisors (9641284).

12805868 is a wasteful number, since it uses less digits than its factorization.

12805868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5272 (or 5270 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 38.

The square root of 12805868 is about 3578.5287479633. The cubic root of 12805868 is about 233.9571597128.

The spelling of 12805868 in words is "twelve million, eight hundred five thousand, eight hundred sixty-eight".