13320559 has 8 divisors (see below), whose sum is σ = 15253920. Its totient is φ = 11394816.

The previous prime is 13320557. The next prime is 13320589. The reversal of 13320559 is 95502331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13320559 - 2¹ = 13320557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13320551) 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 in 7 ways as a sum of consecutive naturals, for example, 2547 + ... + 5755.

It is an arithmetic number, because the mean of its divisors is an integer number (1906740).

Almost surely, 2^13320559 is an apocalyptic number.

13320559 is a deficient number, since it is larger than the sum of its proper divisors (1933361).

13320559 is an equidigital number, since it uses as much as digits as its factorization.

13320559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3809.

The product of its (nonzero) digits is 4050, while the sum is 28.

The square root of 13320559 is about 3649.7340999037. The cubic root of 13320559 is about 237.0504678675.

The spelling of 13320559 in words is "thirteen million, three hundred twenty thousand, five hundred fifty-nine".