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12706723 is a prime number
BaseRepresentation
bin110000011110…
…001110100011
3212220120100101
4300132032203
511223103343
61132203231
7213001561
oct60361643
925816311
1012706723
117199827
124309517
13282b893
14198aa31
1511aee4d
hexc1e3a3

12706723 has 2 divisors, whose sum is σ = 12706724. Its totient is φ = 12706722.

The previous prime is 12706721. The next prime is 12706777. The reversal of 12706723 is 32760721.

12706723 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 12706723 - 21 = 12706721 is a prime.

It is a super-2 number, since 2×127067232 = 322921618797458, which contains 22 as substring.

Together with 12706721, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 12706691 and 12706700.

It is not a weakly prime, because it can be changed into another prime (12706721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6353361 + 6353362.

It is an arithmetic number, because the mean of its divisors is an integer number (6353362).

Almost surely, 212706723 is an apocalyptic number.

12706723 is a deficient number, since it is larger than the sum of its proper divisors (1).

12706723 is an equidigital number, since it uses as much as digits as its factorization.

12706723 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 12706723 is about 3564.6490710868. The cubic root of 12706723 is about 233.3518173566.

The spelling of 12706723 in words is "twelve million, seven hundred six thousand, seven hundred twenty-three".