Base | Representation |
---|---|
bin | 110001000110… |
… | …010110010100 |
3 | 220012220202221 |
4 | 301012112110 |
5 | 11243333220 |
6 | 1135512124 |
7 | 214254646 |
oct | 61062624 |
9 | 26186687 |
10 | 12871060 |
11 | 72a1244 |
12 | 4388644 |
13 | 2888617 |
14 | 19d0896 |
15 | 11e39aa |
hex | c46594 |
12871060 has 12 divisors (see below), whose sum is σ = 27029268. Its totient is φ = 5148416.
The previous prime is 12871051. The next prime is 12871063. The reversal of 12871060 is 6017821.
It can be written as a sum of positive squares in 2 ways, for example, as 5008644 + 7862416 = 2238^2 + 2804^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12871063) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 321757 + ... + 321796.
It is an arithmetic number, because the mean of its divisors is an integer number (2252439).
Almost surely, 212871060 is an apocalyptic number.
12871060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12871060 is an abundant number, since it is smaller than the sum of its proper divisors (14158208).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12871060 is a wasteful number, since it uses less digits than its factorization.
12871060 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 643562 (or 643560 counting only the distinct ones).
The product of its (nonzero) digits is 672, while the sum is 25.
The square root of 12871060 is about 3587.6259559770. The cubic root of 12871060 is about 234.3534969309.
Adding to 12871060 its reverse (6017821), we get a palindrome (18888881).
The spelling of 12871060 in words is "twelve million, eight hundred seventy-one thousand, sixty".
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