Base | Representation |
---|---|
bin | 110000110001… |
… | …101001110101 |
3 | 220001121111102 |
4 | 300301221311 |
5 | 11233130133 |
6 | 1134015445 |
7 | 213452552 |
oct | 60615165 |
9 | 26047442 |
10 | 12786293 |
11 | 7243593 |
12 | 4347585 |
13 | 2858b70 |
14 | 19aba29 |
15 | 11c87e8 |
hex | c31a75 |
12786293 has 8 divisors (see below), whose sum is σ = 13802208. Its totient is φ = 11775024.
The previous prime is 12786283. The next prime is 12786311. The reversal of 12786293 is 39268721.
12786293 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 12786293 - 220 = 11737717 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12786253) 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, 6446 + ... + 8192.
It is an arithmetic number, because the mean of its divisors is an integer number (1725276).
Almost surely, 212786293 is an apocalyptic number.
12786293 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
It is an amenable number.
12786293 is a deficient number, since it is larger than the sum of its proper divisors (1015915).
12786293 is a wasteful number, since it uses less digits than its factorization.
12786293 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2323.
The product of its digits is 36288, while the sum is 38.
The square root of 12786293 is about 3575.7926394018. The cubic root of 12786293 is about 233.8378902525.
The spelling of 12786293 in words is "twelve million, seven hundred eighty-six thousand, two hundred ninety-three".
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