12986868 has 24 divisors (see below), whose sum is σ = 30419872. Its totient is φ = 4312224.

The previous prime is 12986863. The next prime is 12986879. The reversal of 12986868 is 86868921.

12986868 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12986863) 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, 1371 + ... + 5277.

Almost surely, 2^12986868 is an apocalyptic number.

It is an amenable number.

12986868 is an abundant number, since it is smaller than the sum of its proper divisors (17433004).

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

12986868 is a wasteful number, since it uses less digits than its factorization.

12986868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4191 (or 4189 counting only the distinct ones).

The product of its digits is 331776, while the sum is 48.

The square root of 12986868 is about 3603.7297345944. The cubic root of 12986868 is about 235.0542684386.

The spelling of 12986868 in words is "twelve million, nine hundred eighty-six thousand, eight hundred sixty-eight".