Base | Representation |
---|---|
bin | 110000110111… |
… | …001000000000 |
3 | 220002202020110 |
4 | 300313020000 |
5 | 11234334304 |
6 | 1134311320 |
7 | 213605106 |
oct | 60671000 |
9 | 26082213 |
10 | 12808704 |
11 | 7259407 |
12 | 4358540 |
13 | 286611c |
14 | 19b5c76 |
15 | 11d0289 |
hex | c37200 |
12808704 has 80 divisors (see below), whose sum is σ = 35354880. Its totient is φ = 4116480.
The previous prime is 12808661. The next prime is 12808721. The reversal of 12808704 is 40780821.
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, 47482 + ... + 47750.
It is an arithmetic number, because the mean of its divisors is an integer number (441936).
Almost surely, 212808704 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12808704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17677440).
12808704 is an abundant number, since it is smaller than the sum of its proper divisors (22546176).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12808704 is an equidigital number, since it uses as much as digits as its factorization.
12808704 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 321 (or 305 counting only the distinct ones).
The product of its (nonzero) digits is 3584, while the sum is 30.
The square root of 12808704 is about 3578.9249782581. The cubic root of 12808704 is about 233.9744292315.
The spelling of 12808704 in words is "twelve million, eight hundred eight thousand, seven hundred four".
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