13210117 has 2 divisors, whose sum is σ = 13210118. Its totient is φ = 13210116.

The previous prime is 13210103. The next prime is 13210121. The reversal of 13210117 is 71101231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9728161 + 3481956 = 3119^2 + 1866^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13210117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13210117.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13210177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6605058 + 6605059.

It is an arithmetic number, because the mean of its divisors is an integer number (6605059).

Almost surely, 2^13210117 is an apocalyptic number.

It is an amenable number.

13210117 is a deficient number, since it is larger than the sum of its proper divisors (1).

13210117 is an equidigital number, since it uses as much as digits as its factorization.

13210117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42, while the sum is 16.

The square root of 13210117 is about 3634.5724645410. The cubic root of 13210117 is about 236.3935130201.

Adding to 13210117 its reverse (71101231), we get a palindrome (84311348).

The spelling of 13210117 in words is "thirteen million, two hundred ten thousand, one hundred seventeen".