13204605 has 32 divisors (see below), whose sum is σ = 22164480. Its totient is φ = 6704640.

The previous prime is 13204577. The next prime is 13204619. The reversal of 13204605 is 50640231.

It is a happy number.

It is not a de Polignac number, because 13204605 - 2¹⁰ = 13203581 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33751 + ... + 34139.

It is an arithmetic number, because the mean of its divisors is an integer number (692640).

Almost surely, 2^13204605 is an apocalyptic number.

13204605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13204605 is a deficient number, since it is larger than the sum of its proper divisors (8959875).

13204605 is a wasteful number, since it uses less digits than its factorization.

13204605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 13204605 is about 3633.8141119215. The cubic root of 13204605 is about 236.3606295789.

Adding to 13204605 its reverse (50640231), we get a palindrome (63844836).

The spelling of 13204605 in words is "thirteen million, two hundred four thousand, six hundred five".