Base | Representation |
---|---|
bin | 110000111111… |
… | …011010111101 |
3 | 220011110212000 |
4 | 300333122331 |
5 | 11241431220 |
6 | 1135132513 |
7 | 214106142 |
oct | 60773275 |
9 | 26143760 |
10 | 12842685 |
11 | 7281999 |
12 | 4374139 |
13 | 287872b |
14 | 19c43c9 |
15 | 11da390 |
hex | c3f6bd |
12842685 has 16 divisors (see below), whose sum is σ = 22831680. Its totient is φ = 6849360.
The previous prime is 12842659. The next prime is 12842699. The reversal of 12842685 is 58624821.
It is not a de Polignac number, because 12842685 - 25 = 12842653 is a prime.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47431 + ... + 47700.
It is an arithmetic number, because the mean of its divisors is an integer number (1426980).
Almost surely, 212842685 is an apocalyptic number.
12842685 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
12842685 is a deficient number, since it is larger than the sum of its proper divisors (9988995).
12842685 is an equidigital number, since it uses as much as digits as its factorization.
12842685 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 95145 (or 95139 counting only the distinct ones).
The product of its digits is 30720, while the sum is 36.
The square root of 12842685 is about 3583.6692090649. The cubic root of 12842685 is about 234.1811549203.
It can be divided in two parts, 1284 and 2685, that added together give a square (3969 = 632).
The spelling of 12842685 in words is "twelve million, eight hundred forty-two thousand, six hundred eighty-five".
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