Base | Representation |
---|---|
bin | 110000011001… |
… | …010000000111 |
3 | 212212112101120 |
4 | 300121100013 |
5 | 11221430333 |
6 | 1131525023 |
7 | 212555265 |
oct | 60312007 |
9 | 25775346 |
10 | 12686343 |
11 | 718548a |
12 | 42b9773 |
13 | 2822517 |
14 | 1983435 |
15 | 11a8db3 |
hex | c19407 |
12686343 has 8 divisors (see below), whose sum is σ = 17327856. Its totient is φ = 8251200.
The previous prime is 12686341. The next prime is 12686389. The reversal of 12686343 is 34368621.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 12686343 - 21 = 12686341 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12686341) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51448 + ... + 51693.
It is an arithmetic number, because the mean of its divisors is an integer number (2165982).
Almost surely, 212686343 is an apocalyptic number.
12686343 is a deficient number, since it is larger than the sum of its proper divisors (4641513).
12686343 is a wasteful number, since it uses less digits than its factorization.
12686343 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 103185.
The product of its digits is 20736, while the sum is 33.
The square root of 12686343 is about 3561.7892975301. The cubic root of 12686343 is about 233.2269948557.
The spelling of 12686343 in words is "twelve million, six hundred eighty-six thousand, three hundred forty-three".
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