13591339 has 2 divisors, whose sum is σ = 13591340. Its totient is φ = 13591338.

The previous prime is 13591307. The next prime is 13591351. The reversal of 13591339 is 93319531.

It is a strong prime.

It is an emirp because it is prime and its reverse (93319531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13591339 - 2⁵ = 13591307 is a prime.

It is not a weakly prime, because it can be changed into another prime (13591439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6795669 + 6795670.

It is an arithmetic number, because the mean of its divisors is an integer number (6795670).

Almost surely, 2^13591339 is an apocalyptic number.

13591339 is a deficient number, since it is larger than the sum of its proper divisors (1).

13591339 is an equidigital number, since it uses as much as digits as its factorization.

13591339 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10935, while the sum is 34.

The square root of 13591339 is about 3686.6433242178. The cubic root of 13591339 is about 238.6459572434.

The spelling of 13591339 in words is "thirteen million, five hundred ninety-one thousand, three hundred thirty-nine".