Base | Representation |
---|---|
bin | 110000110110… |
… | …000110100000 |
3 | 220002112111012 |
4 | 300312012200 |
5 | 11234221022 |
6 | 1134240052 |
7 | 213556640 |
oct | 60660640 |
9 | 26075435 |
10 | 12804512 |
11 | 7256246 |
12 | 4356028 |
13 | 2864246 |
14 | 19b4520 |
15 | 11cdde2 |
hex | c361a0 |
12804512 has 24 divisors (see below), whose sum is σ = 28810656. Its totient is φ = 5487552.
The previous prime is 12804509. The next prime is 12804523. The reversal of 12804512 is 21540821.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28358 + ... + 28805.
It is an arithmetic number, because the mean of its divisors is an integer number (1200444).
Almost surely, 212804512 is an apocalyptic number.
It is an amenable number.
12804512 is an abundant number, since it is smaller than the sum of its proper divisors (16006144).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12804512 is an equidigital number, since it uses as much as digits as its factorization.
12804512 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 57180 (or 57172 counting only the distinct ones).
The product of its (nonzero) digits is 640, while the sum is 23.
The square root of 12804512 is about 3578.3392796100. The cubic root of 12804512 is about 233.9489015948.
The spelling of 12804512 in words is "twelve million, eight hundred four thousand, five hundred twelve".
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