Base | Representation |
---|---|
bin | 110000101001… |
… | …000101000001 |
3 | 212222211022112 |
4 | 300221011001 |
5 | 11231014134 |
6 | 1133145105 |
7 | 213245264 |
oct | 60510501 |
9 | 25884275 |
10 | 12751169 |
11 | 721a162 |
12 | 432b195 |
13 | 2845b92 |
14 | 199ccdb |
15 | 11bd1ce |
hex | c29141 |
12751169 has 2 divisors, whose sum is σ = 12751170. Its totient is φ = 12751168.
The previous prime is 12751163. The next prime is 12751171. The reversal of 12751169 is 96115721.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 9985600 + 2765569 = 3160^2 + 1663^2 .
It is a cyclic number.
It is not a de Polignac number, because 12751169 - 216 = 12685633 is a prime.
It is a super-2 number, since 2×127511692 = 325184621733122, which contains 22 as substring.
Together with 12751171, 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 (12751163) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6375584 + 6375585.
It is an arithmetic number, because the mean of its divisors is an integer number (6375585).
Almost surely, 212751169 is an apocalyptic number.
It is an amenable number.
12751169 is a deficient number, since it is larger than the sum of its proper divisors (1).
12751169 is an equidigital number, since it uses as much as digits as its factorization.
12751169 is an evil number, because the sum of its binary digits is even.
The product of its digits is 3780, while the sum is 32.
The square root of 12751169 is about 3570.8779032613. The cubic root of 12751169 is about 233.6235760065.
The spelling of 12751169 in words is "twelve million, seven hundred fifty-one thousand, one hundred sixty-nine".
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