Base | Representation |
---|---|
bin | 110000011111… |
… | …010010110001 |
3 | 212220210100002 |
4 | 300133102301 |
5 | 11223223324 |
6 | 1132235345 |
7 | 213020366 |
oct | 60372261 |
9 | 25823302 |
10 | 12711089 |
11 | 71a2036 |
12 | 430bb55 |
13 | 2830871 |
14 | 198c46d |
15 | 11b13ae |
hex | c1f4b1 |
12711089 has 2 divisors, whose sum is σ = 12711090. Its totient is φ = 12711088.
The previous prime is 12711079. The next prime is 12711109. The reversal of 12711089 is 98011721.
12711089 is digitally balanced in base 2, 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., 9560464 + 3150625 = 3092^2 + 1775^2 .
It is an emirp because it is prime and its reverse (98011721) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 12711089 - 220 = 11662513 is a prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (12711079) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6355544 + 6355545.
It is an arithmetic number, because the mean of its divisors is an integer number (6355545).
Almost surely, 212711089 is an apocalyptic number.
It is an amenable number.
12711089 is a deficient number, since it is larger than the sum of its proper divisors (1).
12711089 is an equidigital number, since it uses as much as digits as its factorization.
12711089 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1008, while the sum is 29.
The square root of 12711089 is about 3565.2614209901. The cubic root of 12711089 is about 233.3785406738.
The spelling of 12711089 in words is "twelve million, seven hundred eleven thousand, eighty-nine".
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