Base | Representation |
---|---|
bin | 110001001111… |
… | …100010000111 |
3 | 220021211101020 |
4 | 301033202013 |
5 | 11301034204 |
6 | 1140402223 |
7 | 214502430 |
oct | 61174207 |
9 | 26254336 |
10 | 12908679 |
11 | 7317533 |
12 | 43a6373 |
13 | 289c794 |
14 | 1a00487 |
15 | 11eebd9 |
hex | c4f887 |
12908679 has 32 divisors (see below), whose sum is σ = 20643840. Its totient is φ = 7020000.
The previous prime is 12908641. The next prime is 12908699. The reversal of 12908679 is 97680921.
12908679 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 12908679 - 29 = 12908167 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 12908679.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12908639) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51304 + ... + 51554.
It is an arithmetic number, because the mean of its divisors is an integer number (645120).
Almost surely, 212908679 is an apocalyptic number.
12908679 is a deficient number, since it is larger than the sum of its proper divisors (7735161).
12908679 is a wasteful number, since it uses less digits than its factorization.
12908679 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 371.
The product of its (nonzero) digits is 54432, while the sum is 42.
The square root of 12908679 is about 3592.8650127718. The cubic root of 12908679 is about 234.5815944087.
The spelling of 12908679 in words is "twelve million, nine hundred eight thousand, six hundred seventy-nine".
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