11720083 has 4 divisors (see below), whose sum is σ = 12036880. Its totient is φ = 11403288.

The previous prime is 11720081. The next prime is 11720099. The reversal of 11720083 is 38002711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38002711 = 263 ⋅144497.

It is a cyclic number.

It is not a de Polignac number, because 11720083 - 2¹ = 11720081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11720081) 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, 158343 + ... + 158416.

It is an arithmetic number, because the mean of its divisors is an integer number (3009220).

Almost surely, 2^11720083 is an apocalyptic number.

11720083 is a deficient number, since it is larger than the sum of its proper divisors (316797).

11720083 is an equidigital number, since it uses as much as digits as its factorization.

11720083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316796.

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 11720083 is about 3423.4606759827. The cubic root of 11720083 is about 227.1486861215.

Subtracting from 11720083 its sum of digits (22), we obtain a triangular number (11720061 = T₄₈₄₁).

Adding to 11720083 its reverse (38002711), we get a palindrome (49722794).

The spelling of 11720083 in words is "eleven million, seven hundred twenty thousand, eighty-three".