Base | Representation |
---|---|
bin | 110001001001… |
… | …000100001011 |
3 | 220020111001001 |
4 | 301021010023 |
5 | 11244212222 |
6 | 1140035431 |
7 | 214332253 |
oct | 61110413 |
9 | 26214031 |
10 | 12882187 |
11 | 72a963a |
12 | 4392b77 |
13 | 28906c6 |
14 | 19d4963 |
15 | 11e6e27 |
hex | c4910b |
12882187 has 2 divisors, whose sum is σ = 12882188. Its totient is φ = 12882186.
The previous prime is 12882167. The next prime is 12882193. The reversal of 12882187 is 78128821.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 12882187 - 27 = 12882059 is a prime.
It is not a weakly prime, because it can be changed into another prime (12882137) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6441093 + 6441094.
It is an arithmetic number, because the mean of its divisors is an integer number (6441094).
Almost surely, 212882187 is an apocalyptic number.
12882187 is a deficient number, since it is larger than the sum of its proper divisors (1).
12882187 is an equidigital number, since it uses as much as digits as its factorization.
12882187 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 14336, while the sum is 37.
The square root of 12882187 is about 3589.1763679151. The cubic root of 12882187 is about 234.4210101553.
It can be divided in two parts, 1288218 and 7, that added together give a square (1288225 = 11352).
The spelling of 12882187 in words is "twelve million, eight hundred eighty-two thousand, one hundred eighty-seven".
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