11867 has 2 divisors, whose sum is σ = 11868.
Its totient is φ = 11866.
The previous prime is 11863. The next prime is 11887. The reversal of 11867 is 76811.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 11867 - 22 = 11863 is a prime.
It is a plaindrome in base 14.
It is not a weakly prime, because it can be changed into another prime (11863) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5933 + 5934.
It is an arithmetic number, because the mean of its divisors is an integer number (5934).
211867 is an apocalyptic number.
11867 is a deficient number, since it is larger than the sum of its proper divisors (1).
11867 is an equidigital number, since it uses as much as digits as its factorization.
11867 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 336, while the sum is 23.
The square root of 11867 is about 108.9357608869.
The cubic root of 11867 is about 22.8093887669.
It can be divided in two parts, 11 and 867, that added together give a palindrome (878).
The spelling of 11867 in words is "eleven thousand, eight hundred sixty-seven".