12863 has 4 divisors (see below), whose sum is σ = 13560. Its totient is φ = 12168.

The previous prime is 12853. The next prime is 12889. The reversal of 12863 is 36821.

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 12863 - 2⁶ = 12799 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 (12823) 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, 320 + ... + 357.

It is an arithmetic number, because the mean of its divisors is an integer number (3390).

2¹²⁸⁶³ is an apocalyptic number.

12863 is a deficient number, since it is larger than the sum of its proper divisors (697).

12863 is an equidigital number, since it uses as much as digits as its factorization.

12863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696.

The product of its digits is 288, while the sum is 20.

The square root of 12863 is about 113.4151665343. The cubic root of 12863 is about 23.4304568467.

It can be divided in two parts, 128 and 63, that added together give a palindrome (191).

The spelling of 12863 in words is "twelve thousand, eight hundred sixty-three".