Base | Representation |
---|---|
bin | 110000000101… |
… | …100110000110 |
3 | 212201102221121 |
4 | 300011212012 |
5 | 11211341310 |
6 | 1130104154 |
7 | 212101456 |
oct | 60054606 |
9 | 25642847 |
10 | 12605830 |
11 | 712aa46 |
12 | 427b05a |
13 | 27c4993 |
14 | 1961d66 |
15 | 11900da |
hex | c05986 |
12605830 has 8 divisors (see below), whose sum is σ = 22690512. Its totient is φ = 5042328.
The previous prime is 12605821. The next prime is 12605839. The reversal of 12605830 is 3850621.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (12605821) and next prime (12605839).
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 12605795 and 12605804.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12605839) 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, 630282 + ... + 630301.
It is an arithmetic number, because the mean of its divisors is an integer number (2836314).
Almost surely, 212605830 is an apocalyptic number.
12605830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12605830 is a deficient number, since it is larger than the sum of its proper divisors (10084682).
12605830 is a wasteful number, since it uses less digits than its factorization.
12605830 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1260590.
The product of its (nonzero) digits is 1440, while the sum is 25.
The square root of 12605830 is about 3550.4689831063. The cubic root of 12605830 is about 232.7325610722.
The spelling of 12605830 in words is "twelve million, six hundred five thousand, eight hundred thirty".
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