Base | Representation |
---|---|
bin | 101111000100… |
… | …100000000101 |
3 | 212012220012121 |
4 | 233010200011 |
5 | 11124323310 |
6 | 1120245541 |
7 | 206611234 |
oct | 57044005 |
9 | 25186177 |
10 | 12339205 |
11 | 6a6869a |
12 | 41708b1 |
13 | 2730508 |
14 | 18d2b1b |
15 | 113b0da |
hex | bc4805 |
12339205 has 8 divisors (see below), whose sum is σ = 14834304. Its totient is φ = 9853200.
The previous prime is 12339203. The next prime is 12339211. The reversal of 12339205 is 50293321.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 12339205 - 21 = 12339203 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 12339205.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12339203) 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, 1200 + ... + 5110.
It is an arithmetic number, because the mean of its divisors is an integer number (1854288).
Almost surely, 212339205 is an apocalyptic number.
It is an amenable number.
12339205 is a deficient number, since it is larger than the sum of its proper divisors (2495099).
12339205 is an equidigital number, since it uses as much as digits as its factorization.
12339205 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4547.
The product of its (nonzero) digits is 1620, while the sum is 25.
The square root of 12339205 is about 3512.7204557152. The cubic root of 12339205 is about 231.0800182547.
It can be divided in two parts, 12339 and 205, that added together give a square (12544 = 1122).
The spelling of 12339205 in words is "twelve million, three hundred thirty-nine thousand, two hundred five".
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