12885863 has 4 divisors (see below), whose sum is σ = 13301568. Its totient is φ = 12470160.

The previous prime is 12885841. The next prime is 12885877. The reversal of 12885863 is 36858821.

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 12885863 - 2⁶ = 12885799 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12885863.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12885263) 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, 207806 + ... + 207867.

It is an arithmetic number, because the mean of its divisors is an integer number (3325392).

Almost surely, 2^12885863 is an apocalyptic number.

12885863 is a deficient number, since it is larger than the sum of its proper divisors (415705).

12885863 is an equidigital number, since it uses as much as digits as its factorization.

12885863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415704.

The product of its digits is 92160, while the sum is 41.

The square root of 12885863 is about 3589.6884265908. The cubic root of 12885863 is about 234.4433057919.

The spelling of 12885863 in words is "twelve million, eight hundred eighty-five thousand, eight hundred sixty-three".