12740339 has 2 divisors, whose sum is σ = 12740340. Its totient is φ = 12740338.

The previous prime is 12740333. The next prime is 12740347. The reversal of 12740339 is 93304721.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12740339 - 2¹⁶ = 12674803 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12740333) 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, 6370169 + 6370170.

It is an arithmetic number, because the mean of its divisors is an integer number (6370170).

Almost surely, 2^12740339 is an apocalyptic number.

12740339 is a deficient number, since it is larger than the sum of its proper divisors (1).

12740339 is an equidigital number, since it uses as much as digits as its factorization.

12740339 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 12740339 is about 3569.3611473203. The cubic root of 12740339 is about 233.5574157985.

The spelling of 12740339 in words is "twelve million, seven hundred forty thousand, three hundred thirty-nine".