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13708217 is a prime number
BaseRepresentation
bin110100010010…
…101110111001
3221210110010202
4310102232321
512002130332
61205451545
7224342435
oct64225671
927713122
1013708217
117813206
124710bb5
132abc693
141b6b9c5
15130ba62
hexd12bb9

13708217 has 2 divisors, whose sum is σ = 13708218. Its totient is φ = 13708216.

The previous prime is 13708199. The next prime is 13708243. The reversal of 13708217 is 71280731.

13708217 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., 13697401 + 10816 = 3701^2 + 104^2 .

It is a cyclic number.

It is not a de Polignac number, because 13708217 - 26 = 13708153 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13708217.

It is not a weakly prime, because it can be changed into another prime (13708297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6854108 + 6854109.

It is an arithmetic number, because the mean of its divisors is an integer number (6854109).

Almost surely, 213708217 is an apocalyptic number.

It is an amenable number.

13708217 is a deficient number, since it is larger than the sum of its proper divisors (1).

13708217 is an equidigital number, since it uses as much as digits as its factorization.

13708217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2352, while the sum is 29.

The square root of 13708217 is about 3702.4609383490. The cubic root of 13708217 is about 239.3280800948.

Adding to 13708217 its reverse (71280731), we get a palindrome (84988948).

The spelling of 13708217 in words is "thirteen million, seven hundred eight thousand, two hundred seventeen".