12083605717 has 4 divisors (see below), whose sum is σ = 12281697676. Its totient is φ = 11885513760.

The previous prime is 12083605691. The next prime is 12083605753. The reversal of 12083605717 is 71750638021.

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

It can be written as a sum of positive squares in 2 ways, for example, as 697435281 + 11386170436 = 26409^2 + 106706^2 .

It is a cyclic number.

It is not a de Polignac number, because 12083605717 - 2¹¹ = 12083603669 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12083605717.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12083608717) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99045888 + ... + 99046009.

It is an arithmetic number, because the mean of its divisors is an integer number (3070424419).

Almost surely, 2^12083605717 is an apocalyptic number.

It is an amenable number.

12083605717 is a deficient number, since it is larger than the sum of its proper divisors (198091959).

12083605717 is an equidigital number, since it uses as much as digits as its factorization.

12083605717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198091958.

The product of its (nonzero) digits is 70560, while the sum is 40.

The spelling of 12083605717 in words is "twelve billion, eighty-three million, six hundred five thousand, seven hundred seventeen".