Base | Representation |
---|---|
bin | 110001001010… |
… | …001001100001 |
3 | 220020201010102 |
4 | 301022021201 |
5 | 11244333000 |
6 | 1140112145 |
7 | 214351223 |
oct | 61121141 |
9 | 26221112 |
10 | 12886625 |
11 | 7301a04 |
12 | 4395655 |
13 | 289272b |
14 | 19d6413 |
15 | 11e83d5 |
hex | c4a261 |
12886625 has 8 divisors (see below), whose sum is σ = 16082664. Its totient is φ = 10309200.
The previous prime is 12886589. The next prime is 12886649. The reversal of 12886625 is 52668821.
It can be written as a sum of positive squares in 4 ways, for example, as 559504 + 12327121 = 748^2 + 3511^2 .
It is not a de Polignac number, because 12886625 - 220 = 11838049 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51422 + ... + 51671.
It is an arithmetic number, because the mean of its divisors is an integer number (2010333).
Almost surely, 212886625 is an apocalyptic number.
It is an amenable number.
12886625 is a deficient number, since it is larger than the sum of its proper divisors (3196039).
12886625 is an equidigital number, since it uses as much as digits as its factorization.
12886625 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 103108 (or 103098 counting only the distinct ones).
The product of its digits is 46080, while the sum is 38.
The square root of 12886625 is about 3589.7945623670. The cubic root of 12886625 is about 234.4479269357.
The spelling of 12886625 in words is "twelve million, eight hundred eighty-six thousand, six hundred twenty-five".
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