13323565 has 16 divisors (see below), whose sum is σ = 16563456. Its totient is φ = 10281600.

The previous prime is 13323539. The next prime is 13323571. The reversal of 13323565 is 56532331.

It is not a de Polignac number, because 13323565 - 2¹³ = 13315373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 20800 + ... + 21430.

It is an arithmetic number, because the mean of its divisors is an integer number (1035216).

Almost surely, 2^13323565 is an apocalyptic number.

It is an amenable number.

13323565 is a deficient number, since it is larger than the sum of its proper divisors (3239891).

13323565 is a wasteful number, since it uses less digits than its factorization.

13323565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 780.

The product of its digits is 8100, while the sum is 28.

The square root of 13323565 is about 3650.1458874955. The cubic root of 13323565 is about 237.0682979529.

Adding to 13323565 its reverse (56532331), we get a palindrome (69855896).

The spelling of 13323565 in words is "thirteen million, three hundred twenty-three thousand, five hundred sixty-five".