13320617 has 2 divisors, whose sum is σ = 13320618. Its totient is φ = 13320616.

The previous prime is 13320589. The next prime is 13320677. The reversal of 13320617 is 71602331.

It is a happy number.

13320617 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8637721 + 4682896 = 2939^2 + 2164^2 .

It is an emirp because it is prime and its reverse (71602331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13320617 - 2⁸ = 13320361 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 13320592 and 13320601.

It is not a weakly prime, because it can be changed into another prime (13320677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6660308 + 6660309.

It is an arithmetic number, because the mean of its divisors is an integer number (6660309).

Almost surely, 2^13320617 is an apocalyptic number.

It is an amenable number.

13320617 is a deficient number, since it is larger than the sum of its proper divisors (1).

13320617 is an equidigital number, since it uses as much as digits as its factorization.

13320617 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 13320617 is about 3649.7420456794. The cubic root of 13320617 is about 237.0508119198.

Adding to 13320617 its reverse (71602331), we get a palindrome (84922948).

The spelling of 13320617 in words is "thirteen million, three hundred twenty thousand, six hundred seventeen".