Base | Representation |
---|---|
bin | 110001011101… |
… | …110101011101 |
3 | 220101210201221 |
4 | 301131311131 |
5 | 11304423021 |
6 | 1141533341 |
7 | 215135266 |
oct | 61356535 |
9 | 26353657 |
10 | 12967261 |
11 | 735754a |
12 | 4414251 |
13 | 28c0348 |
14 | 1a1796d |
15 | 1212241 |
hex | c5dd5d |
12967261 has 2 divisors, whose sum is σ = 12967262. Its totient is φ = 12967260.
The previous prime is 12967259. The next prime is 12967303. The reversal of 12967261 is 16276921.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 11356900 + 1610361 = 3370^2 + 1269^2 .
It is a cyclic number.
It is not a de Polignac number, because 12967261 - 21 = 12967259 is a prime.
Together with 12967259, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12967061) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6483630 + 6483631.
It is an arithmetic number, because the mean of its divisors is an integer number (6483631).
Almost surely, 212967261 is an apocalyptic number.
It is an amenable number.
12967261 is a deficient number, since it is larger than the sum of its proper divisors (1).
12967261 is an equidigital number, since it uses as much as digits as its factorization.
12967261 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 9072, while the sum is 34.
The square root of 12967261 is about 3601.0083310095. The cubic root of 12967261 is about 234.9359173389.
The spelling of 12967261 in words is "twelve million, nine hundred sixty-seven thousand, two hundred sixty-one".
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