11799983 has 4 divisors (see below), whose sum is σ = 12707688. Its totient is φ = 10892280.

The previous prime is 11799979. The next prime is 11800001. The reversal of 11799983 is 38999711.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11799983 - 2² = 11799979 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11799913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 453833 + ... + 453858.

It is an arithmetic number, because the mean of its divisors is an integer number (3176922).

Almost surely, 2^11799983 is an apocalyptic number.

11799983 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11799983 is a deficient number, since it is larger than the sum of its proper divisors (907705).

11799983 is an equidigital number, since it uses as much as digits as its factorization.

11799983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 907704.

The product of its digits is 122472, while the sum is 47.

The square root of 11799983 is about 3435.1103330170. The cubic root of 11799983 is about 227.6637021661.

The spelling of 11799983 in words is "eleven million, seven hundred ninety-nine thousand, nine hundred eighty-three".