12839903 has 2 divisors, whose sum is σ = 12839904. Its totient is φ = 12839902.

The previous prime is 12839867. The next prime is 12839909. The reversal of 12839903 is 30993821.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12839903 - 2¹² = 12835807 is a prime.

It is a zygodrome in base 3.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12839909) 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, 6419951 + 6419952.

It is an arithmetic number, because the mean of its divisors is an integer number (6419952).

Almost surely, 2^12839903 is an apocalyptic number.

12839903 is a deficient number, since it is larger than the sum of its proper divisors (1).

12839903 is an equidigital number, since it uses as much as digits as its factorization.

12839903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 12839903 is about 3583.2810383781. The cubic root of 12839903 is about 234.1642441517.

The spelling of 12839903 in words is "twelve million, eight hundred thirty-nine thousand, nine hundred three".