Base | Representation |
---|---|
bin | 110000110110… |
… | …011010101100 |
3 | 220002121021001 |
4 | 300312122230 |
5 | 11234241204 |
6 | 1134250044 |
7 | 213563464 |
oct | 60663254 |
9 | 26077231 |
10 | 12805804 |
11 | 7257210 |
12 | 4356924 |
13 | 28649cb |
14 | 19b4ba4 |
15 | 11ce4a4 |
hex | c366ac |
12805804 has 12 divisors (see below), whose sum is σ = 24447528. Its totient is φ = 5820800.
The previous prime is 12805799. The next prime is 12805813. The reversal of 12805804 is 40850821.
12805804 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
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, 145477 + ... + 145564.
It is an arithmetic number, because the mean of its divisors is an integer number (2037294).
Almost surely, 212805804 is an apocalyptic number.
It is an amenable number.
12805804 is a deficient number, since it is larger than the sum of its proper divisors (11641724).
12805804 is a wasteful number, since it uses less digits than its factorization.
12805804 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 291056 (or 291054 counting only the distinct ones).
The product of its (nonzero) digits is 2560, while the sum is 28.
The square root of 12805804 is about 3578.5198057297. The cubic root of 12805804 is about 233.9567699622.
The spelling of 12805804 in words is "twelve million, eight hundred five thousand, eight hundred four".
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