Base | Representation |
---|---|
bin | 110000101101… |
… | …001100101111 |
3 | 220000200110122 |
4 | 300231030233 |
5 | 11232034142 |
6 | 1133355155 |
7 | 213345425 |
oct | 60551457 |
9 | 26020418 |
10 | 12768047 |
11 | 7230906 |
12 | 4338abb |
13 | 2850776 |
14 | 19a5115 |
15 | 11c31d2 |
hex | c2d32f |
12768047 has 2 divisors, whose sum is σ = 12768048. Its totient is φ = 12768046.
The previous prime is 12768031. The next prime is 12768089. The reversal of 12768047 is 74086721.
It is a happy number.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 12768047 - 24 = 12768031 is a prime.
It is a Chen prime.
It is a junction number, because it is equal to n+sod(n) for n = 12767998 and 12768016.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12768347) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6384023 + 6384024.
It is an arithmetic number, because the mean of its divisors is an integer number (6384024).
Almost surely, 212768047 is an apocalyptic number.
12768047 is a deficient number, since it is larger than the sum of its proper divisors (1).
12768047 is an equidigital number, since it uses as much as digits as its factorization.
12768047 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 18816, while the sum is 35.
The square root of 12768047 is about 3573.2404061300. The cubic root of 12768047 is about 233.7266086576.
The spelling of 12768047 in words is "twelve million, seven hundred sixty-eight thousand, forty-seven".
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