Base | Representation |
---|---|
bin | 110000011110… |
… | …101001000010 |
3 | 212220122200011 |
4 | 300132221002 |
5 | 11223132133 |
6 | 1132215134 |
7 | 213006532 |
oct | 60365102 |
9 | 25818604 |
10 | 12708418 |
11 | 71a0028 |
12 | 430a4aa |
13 | 282c598 |
14 | 198b4c2 |
15 | 11b06cd |
hex | c1ea42 |
12708418 has 8 divisors (see below), whose sum is σ = 20184012. Its totient is φ = 5980416.
The previous prime is 12708413. The next prime is 12708433. The reversal of 12708418 is 81480721.
It can be written as a sum of positive squares in 2 ways, for example, as 12652249 + 56169 = 3557^2 + 237^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a self number, because there is not a number n which added to its sum of digits gives 12708418.
It is not an unprimeable number, because it can be changed into a prime (12708413) 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, 186855 + ... + 186922.
Almost surely, 212708418 is an apocalyptic number.
12708418 is a deficient number, since it is larger than the sum of its proper divisors (7475594).
12708418 is a wasteful number, since it uses less digits than its factorization.
12708418 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 373796.
The product of its (nonzero) digits is 3584, while the sum is 31.
The square root of 12708418 is about 3564.8868144725. The cubic root of 12708418 is about 233.3621928023.
The spelling of 12708418 in words is "twelve million, seven hundred eight thousand, four hundred eighteen".
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