13201217 has 2 divisors, whose sum is σ = 13201218. Its totient is φ = 13201216.

The previous prime is 13201189. The next prime is 13201249. The reversal of 13201217 is 71210231.

13201217 is digitally balanced in base 2, 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., 12138256 + 1062961 = 3484^2 + 1031^2 .

It is a cyclic number.

It is not a de Polignac number, because 13201217 - 2⁸ = 13200961 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13201195 and 13201204.

It is not a weakly prime, because it can be changed into another prime (13201117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6600608 + 6600609.

It is an arithmetic number, because the mean of its divisors is an integer number (6600609).

Almost surely, 2^13201217 is an apocalyptic number.

It is an amenable number.

13201217 is a deficient number, since it is larger than the sum of its proper divisors (1).

13201217 is an equidigital number, since it uses as much as digits as its factorization.

13201217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84, while the sum is 17.

The square root of 13201217 is about 3633.3479051696. The cubic root of 13201217 is about 236.3404129371.

Adding to 13201217 its reverse (71210231), we get a palindrome (84411448).

The spelling of 13201217 in words is "thirteen million, two hundred one thousand, two hundred seventeen".