Base | Representation |
---|---|
bin | 110001011100… |
… | …101110111101 |
3 | 220101120112211 |
4 | 301130232331 |
5 | 11304301444 |
6 | 1141500421 |
7 | 215116162 |
oct | 61345675 |
9 | 26346484 |
10 | 12962749 |
11 | 7354118 |
12 | 4411711 |
13 | 28bb287 |
14 | 1a16069 |
15 | 1210c34 |
hex | c5cbbd |
12962749 has 2 divisors, whose sum is σ = 12962750. Its totient is φ = 12962748.
The previous prime is 12962701. The next prime is 12962753. The reversal of 12962749 is 94726921.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 10048900 + 2913849 = 3170^2 + 1707^2 .
It is an emirp because it is prime and its reverse (94726921) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 12962749 - 215 = 12929981 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 (12962759) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6481374 + 6481375.
It is an arithmetic number, because the mean of its divisors is an integer number (6481375).
Almost surely, 212962749 is an apocalyptic number.
It is an amenable number.
12962749 is a deficient number, since it is larger than the sum of its proper divisors (1).
12962749 is an equidigital number, since it uses as much as digits as its factorization.
12962749 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 54432, while the sum is 40.
The square root of 12962749 is about 3600.3817853111. The cubic root of 12962749 is about 234.9086652762.
The spelling of 12962749 in words is "twelve million, nine hundred sixty-two thousand, seven hundred forty-nine".
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