Base | Representation |
---|---|
bin | 110001001010… |
… | …011001111001 |
3 | 220020202120020 |
4 | 301022121321 |
5 | 11244401143 |
6 | 1140121053 |
7 | 214354251 |
oct | 61123171 |
9 | 26222506 |
10 | 12887673 |
11 | 7302777 |
12 | 4396189 |
13 | 2893056 |
14 | 19d6961 |
15 | 11e8883 |
hex | c4a679 |
12887673 has 8 divisors (see below), whose sum is σ = 17220000. Its totient is φ = 8573568.
The previous prime is 12887657. The next prime is 12887713. The reversal of 12887673 is 37678821.
12887673 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 not a de Polignac number, because 12887673 - 24 = 12887657 is a prime.
It is not an unprimeable number, because it can be changed into a prime (12887603) 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, 2808 + ... + 5801.
It is an arithmetic number, because the mean of its divisors is an integer number (2152500).
Almost surely, 212887673 is an apocalyptic number.
It is an amenable number.
12887673 is a deficient number, since it is larger than the sum of its proper divisors (4332327).
12887673 is an equidigital number, since it uses as much as digits as its factorization.
12887673 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9111.
The product of its digits is 112896, while the sum is 42.
The square root of 12887673 is about 3589.9405287553. The cubic root of 12887673 is about 234.4542822270.
The spelling of 12887673 in words is "twelve million, eight hundred eighty-seven thousand, six hundred seventy-three".
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