12995539 has 2 divisors, whose sum is σ = 12995540. Its totient is φ = 12995538.

The previous prime is 12995537. The next prime is 12995551. The reversal of 12995539 is 93559921.

12995539 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 12995539 - 2¹ = 12995537 is a prime.

Together with 12995537, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 12995495 and 12995504.

It is not a weakly prime, because it can be changed into another prime (12995537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6497769 + 6497770.

It is an arithmetic number, because the mean of its divisors is an integer number (6497770).

Almost surely, 2^12995539 is an apocalyptic number.

12995539 is a deficient number, since it is larger than the sum of its proper divisors (1).

12995539 is an equidigital number, since it uses as much as digits as its factorization.

12995539 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 109350, while the sum is 43.

The square root of 12995539 is about 3604.9325929898. The cubic root of 12995539 is about 235.1065700437.

The spelling of 12995539 in words is "twelve million, nine hundred ninety-five thousand, five hundred thirty-nine".