12443339 has 2 divisors, whose sum is σ = 12443340. Its totient is φ = 12443338.

The previous prime is 12443323. The next prime is 12443341. The reversal of 12443339 is 93334421.

12443339 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (93334421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12443339 - 2⁴ = 12443323 is a prime.

Together with 12443341, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12443399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6221669 + 6221670.

It is an arithmetic number, because the mean of its divisors is an integer number (6221670).

Almost surely, 2^12443339 is an apocalyptic number.

12443339 is a deficient number, since it is larger than the sum of its proper divisors (1).

12443339 is an equidigital number, since it uses as much as digits as its factorization.

12443339 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7776, while the sum is 29.

The square root of 12443339 is about 3527.5117292505. The cubic root of 12443339 is about 231.7282477517.

The spelling of 12443339 in words is "twelve million, four hundred forty-three thousand, three hundred thirty-nine".