13323605 has 4 divisors (see below), whose sum is σ = 15988332. Its totient is φ = 10658880.

The previous prime is 13323577. The next prime is 13323641. The reversal of 13323605 is 50632331.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3632836 + 9690769 = 1906^2 + 3113^2 .

It is not a de Polignac number, because 13323605 - 2²² = 9129301 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 3 ways as a sum of consecutive naturals, for example, 1332356 + ... + 1332365.

It is an arithmetic number, because the mean of its divisors is an integer number (3997083).

Almost surely, 2^13323605 is an apocalyptic number.

It is an amenable number.

13323605 is a deficient number, since it is larger than the sum of its proper divisors (2664727).

13323605 is an equidigital number, since it uses as much as digits as its factorization.

13323605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2664726.

The product of its (nonzero) digits is 1620, while the sum is 23.

The square root of 13323605 is about 3650.1513667244. The cubic root of 13323605 is about 237.0685351947.

Adding to 13323605 its reverse (50632331), we get a palindrome (63955936).

The spelling of 13323605 in words is "thirteen million, three hundred twenty-three thousand, six hundred five".