Base | Representation |
---|---|
bin | 110000011110… |
… | …101011001100 |
3 | 212220122212021 |
4 | 300132223030 |
5 | 11223133211 |
6 | 1132215524 |
7 | 213010120 |
oct | 60365314 |
9 | 25818767 |
10 | 12708556 |
11 | 71a0143 |
12 | 430a5a4 |
13 | 282c673 |
14 | 198b580 |
15 | 11b0771 |
hex | c1eacc |
12708556 has 12 divisors (see below), whose sum is σ = 25417168. Its totient is φ = 5446512.
The previous prime is 12708551. The next prime is 12708569. The reversal of 12708556 is 65580721.
12708556 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
12708556 is an admirable number.
It is not an unprimeable number, because it can be changed into a prime (12708551) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 226911 + ... + 226966.
Almost surely, 212708556 is an apocalyptic number.
It is an amenable number.
12708556 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12708556 is a wasteful number, since it uses less digits than its factorization.
12708556 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 453888 (or 453886 counting only the distinct ones).
The product of its (nonzero) digits is 16800, while the sum is 34.
The square root of 12708556 is about 3564.9061698732. The cubic root of 12708556 is about 233.3630374882.
The spelling of 12708556 in words is "twelve million, seven hundred eight thousand, five hundred fifty-six".
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