Base | Representation |
---|---|
bin | 101110110001… |
… | …100101010001 |
3 | 212001221220112 |
4 | 232301211101 |
5 | 11114333323 |
6 | 1114451105 |
7 | 206136302 |
oct | 56614521 |
9 | 25057815 |
10 | 12261713 |
11 | 6a15452 |
12 | 4133a95 |
13 | 2704169 |
14 | 18b27a9 |
15 | 1123178 |
hex | bb1951 |
12261713 has 2 divisors, whose sum is σ = 12261714. Its totient is φ = 12261712.
The previous prime is 12261701. The next prime is 12261791. The reversal of 12261713 is 31716221.
12261713 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 can be written as a sum of positive squares in only one way, i.e., 6390784 + 5870929 = 2528^2 + 2423^2 .
It is an emirp because it is prime and its reverse (31716221) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 12261713 - 26 = 12261649 is a prime.
It is a Sophie Germain prime.
It is a Chen prime.
It is a Curzon number.
It is not a weakly prime, because it can be changed into another prime (12261013) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6130856 + 6130857.
It is an arithmetic number, because the mean of its divisors is an integer number (6130857).
Almost surely, 212261713 is an apocalyptic number.
It is an amenable number.
12261713 is a deficient number, since it is larger than the sum of its proper divisors (1).
12261713 is an equidigital number, since it uses as much as digits as its factorization.
12261713 is an evil number, because the sum of its binary digits is even.
The product of its digits is 504, while the sum is 23.
The square root of 12261713 is about 3501.6728859218. The cubic root of 12261713 is about 230.5952633619.
Adding to 12261713 its reverse (31716221), we get a palindrome (43977934).
The spelling of 12261713 in words is "twelve million, two hundred sixty-one thousand, seven hundred thirteen".
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