11722983 has 4 divisors (see below), whose sum is σ = 15630648. Its totient is φ = 7815320.

The previous prime is 11722973. The next prime is 11723009. The reversal of 11722983 is 38922711.

11722983 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38922711 = 3 ⋅12974237.

It is a cyclic number.

It is not a de Polignac number, because 11722983 - 2⁴ = 11722967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11722933) 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, 1953828 + ... + 1953833.

It is an arithmetic number, because the mean of its divisors is an integer number (3907662).

Almost surely, 2^11722983 is an apocalyptic number.

11722983 is a deficient number, since it is larger than the sum of its proper divisors (3907665).

11722983 is an equidigital number, since it uses as much as digits as its factorization.

11722983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3907664.

The product of its digits is 6048, while the sum is 33.

The square root of 11722983 is about 3423.8841978081. The cubic root of 11722983 is about 227.1674196881.

The spelling of 11722983 in words is "eleven million, seven hundred twenty-two thousand, nine hundred eighty-three".