12965039 has 2 divisors, whose sum is σ = 12965040. Its totient is φ = 12965038.

The previous prime is 12965027. The next prime is 12965041. The reversal of 12965039 is 93056921.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12965039 is a prime.

Together with 12965041, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12965839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6482519 + 6482520.

It is an arithmetic number, because the mean of its divisors is an integer number (6482520).

Almost surely, 2^12965039 is an apocalyptic number.

12965039 is a deficient number, since it is larger than the sum of its proper divisors (1).

12965039 is an equidigital number, since it uses as much as digits as its factorization.

12965039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14580, while the sum is 35.

The square root of 12965039 is about 3600.6997930958. The cubic root of 12965039 is about 234.9224974545.

The spelling of 12965039 in words is "twelve million, nine hundred sixty-five thousand, thirty-nine".