11788 has 12 divisors (see below), whose sum is σ = 23632. Its totient is φ = 5040.

The previous prime is 11783. The next prime is 11789. The reversal of 11788 is 88711.

11788 is an admirable number.

It is a plaindrome in base 10.

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (11783) 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, 183 + ... + 238.

2¹¹⁷⁸⁸ is an apocalyptic number.

It is an amenable number.

11788 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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 (11816).

11788 is a wasteful number, since it uses less digits than its factorization.

11788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432 (or 430 counting only the distinct ones).

The product of its digits is 448, while the sum is 25.

The square root of 11788 is about 108.5725563851. The cubic root of 11788 is about 22.7586611147.

It can be divided in two parts, 117 and 88, that multiplied together give a triangular number (10296 = T₁₄₃).

The spelling of 11788 in words is "eleven thousand, seven hundred eighty-eight".