13322609 has 2 divisors, whose sum is σ = 13322610. Its totient is φ = 13322608.

The previous prime is 13322593. The next prime is 13322633. The reversal of 13322609 is 90622331.

13322609 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7441984 + 5880625 = 2728^2 + 2425^2 .

It is a cyclic number.

It is not a de Polignac number, because 13322609 - 2⁴ = 13322593 is a prime.

It is not a weakly prime, because it can be changed into another prime (13322669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6661304 + 6661305.

It is an arithmetic number, because the mean of its divisors is an integer number (6661305).

Almost surely, 2^13322609 is an apocalyptic number.

It is an amenable number.

13322609 is a deficient number, since it is larger than the sum of its proper divisors (1).

13322609 is an equidigital number, since it uses as much as digits as its factorization.

13322609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 13322609 is about 3650.0149314763. The cubic root of 13322609 is about 237.0626277309.

It can be divided in two parts, 13322 and 609, that added together give a palindrome (13931).

The spelling of 13322609 in words is "thirteen million, three hundred twenty-two thousand, six hundred nine".