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12704851 is a prime number
BaseRepresentation
bin110000011101…
…110001010011
3212220110210001
4300131301103
511223023401
61132150431
7212663245
oct60356123
925813701
1012704851
117198385
124308417
13282aa83
14198a095
1511ae601
hexc1dc53

12704851 has 2 divisors, whose sum is σ = 12704852. Its totient is φ = 12704850.

The previous prime is 12704849. The next prime is 12704903. The reversal of 12704851 is 15840721.

12704851 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12704851 - 21 = 12704849 is a prime.

It is a super-2 number, since 2×127048512 = 322826477864402, which contains 22 as substring.

Together with 12704849, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (12704821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6352425 + 6352426.

It is an arithmetic number, because the mean of its divisors is an integer number (6352426).

Almost surely, 212704851 is an apocalyptic number.

12704851 is a deficient number, since it is larger than the sum of its proper divisors (1).

12704851 is an equidigital number, since it uses as much as digits as its factorization.

12704851 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 12704851 is about 3564.3864829729. The cubic root of 12704851 is about 233.3403573849.

The spelling of 12704851 in words is "twelve million, seven hundred four thousand, eight hundred fifty-one".