12736039 has 2 divisors, whose sum is σ = 12736040. Its totient is φ = 12736038.

The previous prime is 12736037. The next prime is 12736063. The reversal of 12736039 is 93063721.

It is a weak prime.

It is an emirp because it is prime and its reverse (93063721) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12736039 - 2¹ = 12736037 is a prime.

Together with 12736037, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 12736039.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12736037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6368019 + 6368020.

It is an arithmetic number, because the mean of its divisors is an integer number (6368020).

Almost surely, 2^12736039 is an apocalyptic number.

12736039 is a deficient number, since it is larger than the sum of its proper divisors (1).

12736039 is an equidigital number, since it uses as much as digits as its factorization.

12736039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6804, while the sum is 31.

The square root of 12736039 is about 3568.7587478001. The cubic root of 12736039 is about 233.5311368040.

The spelling of 12736039 in words is "twelve million, seven hundred thirty-six thousand, thirty-nine".