Base | Representation |
---|---|
bin | 110000100100… |
… | …000111010001 |
3 | 212221210102100 |
4 | 300210013101 |
5 | 11224341313 |
6 | 1132511013 |
7 | 213132063 |
oct | 60440721 |
9 | 25853370 |
10 | 12730833 |
11 | 7205955 |
12 | 431b469 |
13 | 283984b |
14 | 1995733 |
15 | 11b7173 |
hex | c241d1 |
12730833 has 12 divisors (see below), whose sum is σ = 18420480. Its totient is φ = 8472696.
The previous prime is 12730831. The next prime is 12730853. The reversal of 12730833 is 33803721.
It is not a de Polignac number, because 12730833 - 21 = 12730831 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 12730797 and 12730806.
It is not an unprimeable number, because it can be changed into a prime (12730831) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8128 + ... + 9566.
It is an arithmetic number, because the mean of its divisors is an integer number (1535040).
Almost surely, 212730833 is an apocalyptic number.
It is an amenable number.
12730833 is a deficient number, since it is larger than the sum of its proper divisors (5689647).
12730833 is a wasteful number, since it uses less digits than its factorization.
12730833 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2428 (or 2425 counting only the distinct ones).
The product of its (nonzero) digits is 3024, while the sum is 27.
The square root of 12730833 is about 3568.0292879964. The cubic root of 12730833 is about 233.4993129696.
The spelling of 12730833 in words is "twelve million, seven hundred thirty thousand, eight hundred thirty-three".
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