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13475717 is a prime number
BaseRepresentation
bin110011011001…
…111110000101
3221100122012122
4303121332011
511422210332
61200455325
7222353543
oct63317605
927318178
1013475717
117674562
12461a545
132a3a8c8
141b0ad93
1512b2c12
hexcd9f85

13475717 has 2 divisors, whose sum is σ = 13475718. Its totient is φ = 13475716.

The previous prime is 13475701. The next prime is 13475719. The reversal of 13475717 is 71757431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11498881 + 1976836 = 3391^2 + 1406^2 .

It is an emirp because it is prime and its reverse (71757431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13475717 - 24 = 13475701 is a prime.

Together with 13475719, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13475719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6737858 + 6737859.

It is an arithmetic number, because the mean of its divisors is an integer number (6737859).

Almost surely, 213475717 is an apocalyptic number.

It is an amenable number.

13475717 is a deficient number, since it is larger than the sum of its proper divisors (1).

13475717 is an equidigital number, since it uses as much as digits as its factorization.

13475717 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20580, while the sum is 35.

The square root of 13475717 is about 3670.9286291074. The cubic root of 13475717 is about 237.9673059626.

The spelling of 13475717 in words is "thirteen million, four hundred seventy-five thousand, seven hundred seventeen".