13322539 has 2 divisors, whose sum is σ = 13322540. Its totient is φ = 13322538.

The previous prime is 13322531. The next prime is 13322563. The reversal of 13322539 is 93522331.

13322539 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13322539 - 2³ = 13322531 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13322531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6661269 + 6661270.

It is an arithmetic number, because the mean of its divisors is an integer number (6661270).

Almost surely, 2^13322539 is an apocalyptic number.

13322539 is a deficient number, since it is larger than the sum of its proper divisors (1).

13322539 is an equidigital number, since it uses as much as digits as its factorization.

13322539 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4860, while the sum is 28.

The square root of 13322539 is about 3650.0053424618. The cubic root of 13322539 is about 237.0622125366.

It can be divided in two parts, 13322 and 539, that added together give a triangular number (13861 = T₁₆₆).

The spelling of 13322539 in words is "thirteen million, three hundred twenty-two thousand, five hundred thirty-nine".