Base | Representation |
---|---|
bin | 110010000101… |
… | …110000110111 |
3 | 220201010002012 |
4 | 302011300313 |
5 | 11330141212 |
6 | 1145234435 |
7 | 216416144 |
oct | 62056067 |
9 | 26633065 |
10 | 13130807 |
11 | 7459408 |
12 | 4492a1b |
13 | 2949911 |
14 | 1a5b3cb |
15 | 1245922 |
hex | c85c37 |
13130807 has 2 divisors, whose sum is σ = 13130808. Its totient is φ = 13130806.
The previous prime is 13130779. The next prime is 13130837. The reversal of 13130807 is 70803131.
It is a happy number.
13130807 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 13130807 - 26 = 13130743 is a prime.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (13130837) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6565403 + 6565404.
It is an arithmetic number, because the mean of its divisors is an integer number (6565404).
Almost surely, 213130807 is an apocalyptic number.
13130807 is a deficient number, since it is larger than the sum of its proper divisors (1).
13130807 is an equidigital number, since it uses as much as digits as its factorization.
13130807 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 504, while the sum is 23.
The square root of 13130807 is about 3623.6455400605. The cubic root of 13130807 is about 235.9194820122.
Adding to 13130807 its reverse (70803131), we get a palindrome (83933938).
The spelling of 13130807 in words is "thirteen million, one hundred thirty thousand, eight hundred seven".
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