11783 has 2 divisors, whose sum is σ = 11784. Its totient is φ = 11782.

The previous prime is 11779. The next prime is 11789. The reversal of 11783 is 38711.

11783 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (38711) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11783 - 2² = 11779 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a plaindrome in base 12.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5891 + 5892.

It is an arithmetic number, because the mean of its divisors is an integer number (5892).

2¹¹⁷⁸³ is an apocalyptic number.

11783 is a deficient number, since it is larger than the sum of its proper divisors (1).

11783 is an equidigital number, since it uses as much as digits as its factorization.

11783 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 168, while the sum is 20.

The square root of 11783 is about 108.5495278663. The cubic root of 11783 is about 22.7554428872.

The spelling of 11783 in words is "eleven thousand, seven hundred eighty-three".