12369839 has 2 divisors, whose sum is σ = 12369840. Its totient is φ = 12369838.

The previous prime is 12369821. The next prime is 12369859. The reversal of 12369839 is 93896321.

12369839 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12369839 - 2²⁰ = 11321263 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 12369796 and 12369805.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12369809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6184919 + 6184920.

It is an arithmetic number, because the mean of its divisors is an integer number (6184920).

Almost surely, 2^12369839 is an apocalyptic number.

12369839 is a deficient number, since it is larger than the sum of its proper divisors (1).

12369839 is an equidigital number, since it uses as much as digits as its factorization.

12369839 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69984, while the sum is 41.

The square root of 12369839 is about 3517.0781907714. The cubic root of 12369839 is about 231.2710909422.

The spelling of 12369839 in words is "twelve million, three hundred sixty-nine thousand, eight hundred thirty-nine".