11886 has 16 divisors (see below), whose sum is σ = 27264. Its totient is φ = 3384.

The previous prime is 11867. The next prime is 11887. The reversal of 11886 is 68811.

11886 = T₁₄ + T₁₅ + ... + T₄₁.

11886 = 53² + 54² + ... + 56².

11886 is nontrivially palindromic in base 4.

11886 is an esthetic number in base 4, because in such base its adjacent digits differ by 1.

It is an Ulam number.

It is a Curzon number.

It is a nialpdrome in base 13.

It is a zygodrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11887) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100 + ... + 183.

It is an arithmetic number, because the mean of its divisors is an integer number (1704).

2¹¹⁸⁸⁶ is an apocalyptic number.

11886 is an abundant number, since it is smaller than the sum of its proper divisors (15378).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13632).

11886 is a wasteful number, since it uses less digits than its factorization.

11886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295.

The product of its digits is 384, while the sum is 24.

The square root of 11886 is about 109.0229333673. The cubic root of 11886 is about 22.8215554842.

The spelling of 11886 in words is "eleven thousand, eight hundred eighty-six".