13321339 has 2 divisors, whose sum is σ = 13321340. Its totient is φ = 13321338.

The previous prime is 13321331. The next prime is 13321349. The reversal of 13321339 is 93312331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13321339 - 2³ = 13321331 is a prime.

It is not a weakly prime, because it can be changed into another prime (13321331) 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, 6660669 + 6660670.

It is an arithmetic number, because the mean of its divisors is an integer number (6660670).

Almost surely, 2^13321339 is an apocalyptic number.

13321339 is a deficient number, since it is larger than the sum of its proper divisors (1).

13321339 is an equidigital number, since it uses as much as digits as its factorization.

13321339 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1458, while the sum is 25.

The square root of 13321339 is about 3649.8409554390. The cubic root of 13321339 is about 237.0550946943.

The spelling of 13321339 in words is "thirteen million, three hundred twenty-one thousand, three hundred thirty-nine".