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12704297 is a prime number
BaseRepresentation
bin110000011101…
…101000101001
3212220110000112
4300131220221
511223014142
61132144105
7212661524
oct60355051
925813015
1012704297
117197a21
124308035
13282a748
141989bbb
1511ae382
hexc1da29

12704297 has 2 divisors, whose sum is σ = 12704298. Its totient is φ = 12704296.

The previous prime is 12704273. The next prime is 12704299. The reversal of 12704297 is 79240721.

12704297 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., 12524521 + 179776 = 3539^2 + 424^2 .

It is a cyclic number.

It is not a de Polignac number, because 12704297 - 216 = 12638761 is a prime.

It is a super-2 number, since 2×127042972 = 322798324528418, which contains 22 as substring.

Together with 12704299, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12704299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6352148 + 6352149.

It is an arithmetic number, because the mean of its divisors is an integer number (6352149).

Almost surely, 212704297 is an apocalyptic number.

It is an amenable number.

12704297 is a deficient number, since it is larger than the sum of its proper divisors (1).

12704297 is an equidigital number, since it uses as much as digits as its factorization.

12704297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 12704297 is about 3564.3087688919. The cubic root of 12704297 is about 233.3369657031.

The spelling of 12704297 in words is "twelve million, seven hundred four thousand, two hundred ninety-seven".