12862687 has 4 divisors (see below), whose sum is σ = 12964096. Its totient is φ = 12761280.

The previous prime is 12862679. The next prime is 12862691. The reversal of 12862687 is 78626821.

12862687 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12862687 - 2³ = 12862679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12862627) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50514 + ... + 50767.

It is an arithmetic number, because the mean of its divisors is an integer number (3241024).

Almost surely, 2^12862687 is an apocalyptic number.

12862687 is a deficient number, since it is larger than the sum of its proper divisors (101409).

12862687 is a wasteful number, since it uses less digits than its factorization.

12862687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101408.

The product of its digits is 64512, while the sum is 40.

The square root of 12862687 is about 3586.4588384645. The cubic root of 12862687 is about 234.3026679787.

The spelling of 12862687 in words is "twelve million, eight hundred sixty-two thousand, six hundred eighty-seven".