12739319 has 2 divisors, whose sum is σ = 12739320. Its totient is φ = 12739318.

The previous prime is 12739297. The next prime is 12739343. The reversal of 12739319 is 91393721.

It is a weak prime.

It is an emirp because it is prime and its reverse (91393721) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12739319 - 2¹² = 12735223 is a prime.

It is a super-2 number, since 2×12739319² = 324580497167522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12739819) 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, 6369659 + 6369660.

It is an arithmetic number, because the mean of its divisors is an integer number (6369660).

Almost surely, 2^12739319 is an apocalyptic number.

12739319 is a deficient number, since it is larger than the sum of its proper divisors (1).

12739319 is an equidigital number, since it uses as much as digits as its factorization.

12739319 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10206, while the sum is 35.

The square root of 12739319 is about 3569.2182617486. The cubic root of 12739319 is about 233.5511827116.

The spelling of 12739319 in words is "twelve million, seven hundred thirty-nine thousand, three hundred nineteen".