Base | Representation |
---|---|
bin | 110000000100… |
… | …001011001101 |
3 | 212201010222011 |
4 | 300010023031 |
5 | 11211200023 |
6 | 1130021221 |
7 | 212045506 |
oct | 60041315 |
9 | 25633864 |
10 | 12600013 |
11 | 7126638 |
12 | 4277811 |
13 | 27c213a |
14 | 195dbad |
15 | 118d50d |
hex | c042cd |
12600013 has 2 divisors, whose sum is σ = 12600014. Its totient is φ = 12600012.
The previous prime is 12600001. The next prime is 12600023. The reversal of 12600013 is 31000621.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 9998244 + 2601769 = 3162^2 + 1613^2 .
It is an emirp because it is prime and its reverse (31000621) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 12600013 - 217 = 12468941 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 12599966 and 12600002.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12600023) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6300006 + 6300007.
It is an arithmetic number, because the mean of its divisors is an integer number (6300007).
Almost surely, 212600013 is an apocalyptic number.
It is an amenable number.
12600013 is a deficient number, since it is larger than the sum of its proper divisors (1).
12600013 is an equidigital number, since it uses as much as digits as its factorization.
12600013 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 36, while the sum is 13.
The square root of 12600013 is about 3549.6497010268. The cubic root of 12600013 is about 232.6967571730.
Adding to 12600013 its reverse (31000621), we get a palindrome (43600634).
The spelling of 12600013 in words is "twelve million, six hundred thousand, thirteen".
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