13345559 has 6 divisors (see below), whose sum is σ = 13604976. Its totient is φ = 13091000.

The previous prime is 13345513. The next prime is 13345571. The reversal of 13345559 is 95554331.

It is not a de Polignac number, because 13345559 - 2⁸ = 13345303 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13344559) 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 5 ways as a sum of consecutive naturals, for example, 434 + ... + 5184.

It is an arithmetic number, because the mean of its divisors is an integer number (2267496).

Almost surely, 2^13345559 is an apocalyptic number.

13345559 is a deficient number, since it is larger than the sum of its proper divisors (259417).

13345559 is an frugal number, since it uses more digits than its factorization.

13345559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4857 (or 4804 counting only the distinct ones).

The product of its digits is 40500, while the sum is 35.

The square root of 13345559 is about 3653.1574014816. The cubic root of 13345559 is about 237.1986738122.

The spelling of 13345559 in words is "thirteen million, three hundred forty-five thousand, five hundred fifty-nine".