12305839391 has 8 divisors (see below), whose sum is σ = 12918105600. Its totient is φ = 11707029720.

The previous prime is 12305839369. The next prime is 12305839393. The reversal of 12305839391 is 19393850321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12305839391 - 2¹⁰ = 12305838367 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 (12305839393) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3362261 + ... + 3365918.

It is an arithmetic number, because the mean of its divisors is an integer number (1614763200).

Almost surely, 2^12305839391 is an apocalyptic number.

12305839391 is a deficient number, since it is larger than the sum of its proper divisors (612266209).

12305839391 is an equidigital number, since it uses as much as digits as its factorization.

12305839391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6728269.

The product of its (nonzero) digits is 174960, while the sum is 44.

The spelling of 12305839391 in words is "twelve billion, three hundred five million, eight hundred thirty-nine thousand, three hundred ninety-one".