11776 has 20 divisors (see below), whose sum is σ = 24552. Its totient is φ = 5632.

The previous prime is 11743. The next prime is 11777. The reversal of 11776 is 67711.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501 + ... + 523.

2¹¹⁷⁷⁶ is an apocalyptic number.

11776 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12276).

11776 is an abundant number, since it is smaller than the sum of its proper divisors (12776).

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

11776 is an frugal number, since it uses more digits than its factorization.

11776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41 (or 25 counting only the distinct ones).

The product of its digits is 294, while the sum is 22.

The square root of 11776 is about 108.5172797300. The cubic root of 11776 is about 22.7509358388.

It can be divided in two parts, 11 and 776, that added together give a palindrome (787).

The spelling of 11776 in words is "eleven thousand, seven hundred seventy-six".