11884 has 6 divisors (see below), whose sum is σ = 20804. Its totient is φ = 5940.

The previous prime is 11867. The next prime is 11887. The reversal of 11884 is 48811.

It is an Ulam number.

It is a plaindrome in base 14.

It is a nialpdrome in base 13.

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

11884 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1482 + ... + 1489.

2¹¹⁸⁸⁴ is an apocalyptic number.

It is an amenable number.

11884 is a deficient number, since it is larger than the sum of its proper divisors (8920).

11884 is a wasteful number, since it uses less digits than its factorization.

11884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2975 (or 2973 counting only the distinct ones).

The product of its digits is 256, while the sum is 22.

The square root of 11884 is about 109.0137605993. The cubic root of 11884 is about 22.8202753880.

Subtracting from 11884 its product of digits (256), we obtain a triangular number (11628 = T₁₅₂).

It can be divided in two parts, 118 and 84, that added together give a palindrome (202).

The spelling of 11884 in words is "eleven thousand, eight hundred eighty-four".