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13001717 is a prime number
BaseRepresentation
bin110001100110…
…001111110101
3220110120000002
4301212033311
511312023332
61142401045
7215340611
oct61461765
926416002
1013001717
117380423
124430185
132902c31
141a26341
15121c562
hexc663f5

13001717 has 2 divisors, whose sum is σ = 13001718. Its totient is φ = 13001716.

The previous prime is 13001683. The next prime is 13001731. The reversal of 13001717 is 71710031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6895876 + 6105841 = 2626^2 + 2471^2 .

It is an emirp because it is prime and its reverse (71710031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13001717 - 214 = 12985333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13001917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6500858 + 6500859.

It is an arithmetic number, because the mean of its divisors is an integer number (6500859).

Almost surely, 213001717 is an apocalyptic number.

It is an amenable number.

13001717 is a deficient number, since it is larger than the sum of its proper divisors (1).

13001717 is an equidigital number, since it uses as much as digits as its factorization.

13001717 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 147, while the sum is 20.

The square root of 13001717 is about 3605.7893726617. The cubic root of 13001717 is about 235.1438202180.

Adding to 13001717 its reverse (71710031), we get a palindrome (84711748).

The spelling of 13001717 in words is "thirteen million, one thousand, seven hundred seventeen".