Base | Representation |
---|---|
bin | 110000001111… |
… | …001010010011 |
3 | 212210102200202 |
4 | 300033022103 |
5 | 11214120021 |
6 | 1131005415 |
7 | 212323631 |
oct | 60171223 |
9 | 25712622 |
10 | 12645011 |
11 | 7157425 |
12 | 429986b |
13 | 2809772 |
14 | 1972351 |
15 | 119ba0b |
hex | c0f293 |
12645011 has 2 divisors, whose sum is σ = 12645012. Its totient is φ = 12645010.
The previous prime is 12644941. The next prime is 12645041. The reversal of 12645011 is 11054621.
It is a strong prime.
It is an emirp because it is prime and its reverse (11054621) is a distict prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-12645011 is a prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (12645041) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6322505 + 6322506.
It is an arithmetic number, because the mean of its divisors is an integer number (6322506).
Almost surely, 212645011 is an apocalyptic number.
12645011 is a deficient number, since it is larger than the sum of its proper divisors (1).
12645011 is an equidigital number, since it uses as much as digits as its factorization.
12645011 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 240, while the sum is 20.
The square root of 12645011 is about 3555.9824240286. The cubic root of 12645011 is about 232.9734354212.
Adding to 12645011 its reverse (11054621), we get a palindrome (23699632).
The spelling of 12645011 in words is "twelve million, six hundred forty-five thousand, eleven".
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