Base | Representation |
---|---|
bin | 110010011000… |
… | …001100100011 |
3 | 220211221122111 |
4 | 302120030203 |
5 | 11340100212 |
6 | 1151020151 |
7 | 220152232 |
oct | 62301443 |
9 | 26757574 |
10 | 13206307 |
11 | 7500104 |
12 | 450a657 |
13 | 29750aa |
14 | 1a7ab19 |
15 | 125cea7 |
hex | c98323 |
13206307 has 2 divisors, whose sum is σ = 13206308. Its totient is φ = 13206306.
The previous prime is 13206269. The next prime is 13206329. The reversal of 13206307 is 70360231.
It is an a-pointer prime, because the next prime (13206329) can be obtained adding 13206307 to its sum of digits (22).
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 13206307 - 215 = 13173539 is a prime.
It is not a weakly prime, because it can be changed into another prime (13206337) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6603153 + 6603154.
It is an arithmetic number, because the mean of its divisors is an integer number (6603154).
Almost surely, 213206307 is an apocalyptic number.
13206307 is a deficient number, since it is larger than the sum of its proper divisors (1).
13206307 is an equidigital number, since it uses as much as digits as its factorization.
13206307 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 756, while the sum is 22.
The square root of 13206307 is about 3634.0482935701. The cubic root of 13206307 is about 236.3707843320.
Adding to 13206307 its reverse (70360231), we get a palindrome (83566538).
It can be divided in two parts, 1320 and 6307, that multiplied together give a triangular number (8325240 = T4080).
The spelling of 13206307 in words is "thirteen million, two hundred six thousand, three hundred seven".
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