13204717 has 2 divisors, whose sum is σ = 13204718. Its totient is φ = 13204716.

The previous prime is 13204693. The next prime is 13204721. The reversal of 13204717 is 71740231.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7123561 + 6081156 = 2669^2 + 2466^2 .

It is a cyclic number.

It is not a de Polignac number, because 13204717 - 2¹¹ = 13202669 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13204691 and 13204700.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13204727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6602358 + 6602359.

It is an arithmetic number, because the mean of its divisors is an integer number (6602359).

Almost surely, 2^13204717 is an apocalyptic number.

It is an amenable number.

13204717 is a deficient number, since it is larger than the sum of its proper divisors (1).

13204717 is an equidigital number, since it uses as much as digits as its factorization.

13204717 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1176, while the sum is 25.

The square root of 13204717 is about 3633.8295226937. The cubic root of 13204717 is about 236.3612978386.

Adding to 13204717 its reverse (71740231), we get a palindrome (84944948).

The spelling of 13204717 in words is "thirteen million, two hundred four thousand, seven hundred seventeen".