13353565 has 8 divisors (see below), whose sum is σ = 16048728. Its totient is φ = 10666560.

The previous prime is 13353563. The next prime is 13353581. The reversal of 13353565 is 56535331.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3786916 + 9566649 = 1946^2 + 3093^2 .

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

It is not a de Polignac number, because 13353565 - 2¹ = 13353563 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 (13353563) 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, 2479 + ... + 5731.

It is an arithmetic number, because the mean of its divisors is an integer number (2006091).

Almost surely, 2^13353565 is an apocalyptic number.

It is an amenable number.

13353565 is a deficient number, since it is larger than the sum of its proper divisors (2695163).

13353565 is an equidigital number, since it uses as much as digits as its factorization.

13353565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4079.

The product of its digits is 20250, while the sum is 31.

The square root of 13353565 is about 3654.2530016407. The cubic root of 13353565 is about 237.2460961537.

Adding to 13353565 its reverse (56535331), we get a palindrome (69888896).

It can be divided in two parts, 1335 and 3565, that added together give a square (4900 = 70²).

The spelling of 13353565 in words is "thirteen million, three hundred fifty-three thousand, five hundred sixty-five".