Base | Representation |
---|---|
bin | 110000111110… |
… | …000110101101 |
3 | 220011012110022 |
4 | 300332012231 |
5 | 11241243133 |
6 | 1135051525 |
7 | 214054340 |
oct | 60760655 |
9 | 26135408 |
10 | 12837293 |
11 | 7278937 |
12 | 4370ba5 |
13 | 2876141 |
14 | 19c2457 |
15 | 11d8998 |
hex | c3e1ad |
12837293 has 16 divisors (see below), whose sum is σ = 15544320. Its totient is φ = 10356336.
The previous prime is 12837277. The next prime is 12837299. The reversal of 12837293 is 39273821.
12837293 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is not a de Polignac number, because 12837293 - 24 = 12837277 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12837299) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34796 + ... + 35162.
It is an arithmetic number, because the mean of its divisors is an integer number (971520).
Almost surely, 212837293 is an apocalyptic number.
It is an amenable number.
12837293 is a deficient number, since it is larger than the sum of its proper divisors (2707027).
12837293 is a wasteful number, since it uses less digits than its factorization.
12837293 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 656.
The product of its digits is 18144, while the sum is 35.
The square root of 12837293 is about 3582.9168285072. The cubic root of 12837293 is about 234.1483766878.
The spelling of 12837293 in words is "twelve million, eight hundred thirty-seven thousand, two hundred ninety-three".
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