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12704317 is a prime number
BaseRepresentation
bin110000011101…
…101000111101
3212220110001021
4300131220331
511223014232
61132144141
7212661553
oct60355075
925813037
1012704317
117197a3a
124308051
13282a762
141989bd3
1511ae397
hexc1da3d

12704317 has 2 divisors, whose sum is σ = 12704318. Its totient is φ = 12704316.

The previous prime is 12704309. The next prime is 12704323. The reversal of 12704317 is 71340721.

It is a happy number.

12704317 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9278116 + 3426201 = 3046^2 + 1851^2 .

It is a cyclic number.

It is not a de Polignac number, because 12704317 - 23 = 12704309 is a prime.

It is a super-2 number, since 2×127043172 = 322799340872978, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12704291 and 12704300.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12704347) 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, 6352158 + 6352159.

It is an arithmetic number, because the mean of its divisors is an integer number (6352159).

Almost surely, 212704317 is an apocalyptic number.

It is an amenable number.

12704317 is a deficient number, since it is larger than the sum of its proper divisors (1).

12704317 is an equidigital number, since it uses as much as digits as its factorization.

12704317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1176, while the sum is 25.

The square root of 12704317 is about 3564.3115744839. The cubic root of 12704317 is about 233.3370881482.

The spelling of 12704317 in words is "twelve million, seven hundred four thousand, three hundred seventeen".