11863 has 2 divisors, whose sum is σ = 11864. Its totient is φ = 11862.

The previous prime is 11839. The next prime is 11867. The reversal of 11863 is 36811.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11863 - 2⁵ = 11831 is a prime.

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 11863.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5931 + 5932.

It is an arithmetic number, because the mean of its divisors is an integer number (5932).

2¹¹⁸⁶³ is an apocalyptic number.

11863 is a deficient number, since it is larger than the sum of its proper divisors (1).

11863 is an equidigital number, since it uses as much as digits as its factorization.

11863 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 144, while the sum is 19.

The square root of 11863 is about 108.9173998955. The cubic root of 11863 is about 22.8068256982.

It can be divided in two parts, 118 and 63, that added together give a palindrome (181).

The spelling of 11863 in words is "eleven thousand, eight hundred sixty-three".