13204417 has 4 divisors (see below), whose sum is σ = 13226436. Its totient is φ = 13182400.

The previous prime is 13204409. The next prime is 13204421. The reversal of 13204417 is 71440231.

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 1343281 + 11861136 = 1159^2 + 3444^2 .

It is a cyclic number.

It is not a de Polignac number, because 13204417 - 2³ = 13204409 is a prime.

It is a super-3 number, since 3×13204417³ (a number of 22 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13204447) 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 3 ways as a sum of consecutive naturals, for example, 10084 + ... + 11317.

It is an arithmetic number, because the mean of its divisors is an integer number (3306609).

Almost surely, 2^13204417 is an apocalyptic number.

It is an amenable number.

13204417 is a deficient number, since it is larger than the sum of its proper divisors (22019).

13204417 is an equidigital number, since it uses as much as digits as its factorization.

13204417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22018.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 13204417 is about 3633.7882436928. The cubic root of 13204417 is about 236.3595078488.

Adding to 13204417 its reverse (71440231), we get a palindrome (84644648).

The spelling of 13204417 in words is "thirteen million, two hundred four thousand, four hundred seventeen".