Base | Representation |
---|---|
bin | 110000010010… |
… | …110001100000 |
3 | 212211011222210 |
4 | 300102301200 |
5 | 11220103213 |
6 | 1131202120 |
7 | 212415030 |
oct | 60226140 |
9 | 25734883 |
10 | 12659808 |
11 | 7167557 |
12 | 42a6340 |
13 | 2813415 |
14 | 19778c0 |
15 | 11a10c3 |
hex | c12c60 |
12659808 has 48 divisors (see below), whose sum is σ = 37981440. Its totient is φ = 3616896.
The previous prime is 12659791. The next prime is 12659813. The reversal of 12659808 is 80895621.
It is a tau number, because it is divible by the number of its divisors (48).
It is a congruent number.
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, 8748 + ... + 10091.
It is an arithmetic number, because the mean of its divisors is an integer number (791280).
Almost surely, 212659808 is an apocalyptic number.
It is an amenable number.
12659808 is an abundant number, since it is smaller than the sum of its proper divisors (25321632).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12659808 is a wasteful number, since it uses less digits than its factorization.
12659808 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18859 (or 18851 counting only the distinct ones).
The product of its (nonzero) digits is 34560, while the sum is 39.
The square root of 12659808 is about 3558.0623940566. The cubic root of 12659808 is about 233.0642739908.
The spelling of 12659808 in words is "twelve million, six hundred fifty-nine thousand, eight hundred eight".
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