Base | Representation |
---|---|
bin | 110000100110… |
… | …101100010101 |
3 | 212222022220121 |
4 | 300212230111 |
5 | 11230211042 |
6 | 1133031541 |
7 | 213204634 |
oct | 60465425 |
9 | 25868817 |
10 | 12741397 |
11 | 7212889 |
12 | 43255b1 |
13 | 28415b6 |
14 | 199951b |
15 | 11ba367 |
hex | c26b15 |
12741397 has 2 divisors, whose sum is σ = 12741398. Its totient is φ = 12741396.
The previous prime is 12741367. The next prime is 12741401. The reversal of 12741397 is 79314721.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 12574116 + 167281 = 3546^2 + 409^2 .
It is a cyclic number.
It is not a de Polignac number, because 12741397 - 215 = 12708629 is a prime.
It is a super-3 number, since 3×127413973 (a number of 22 digits) contains 333 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12741317) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6370698 + 6370699.
It is an arithmetic number, because the mean of its divisors is an integer number (6370699).
Almost surely, 212741397 is an apocalyptic number.
It is an amenable number.
12741397 is a deficient number, since it is larger than the sum of its proper divisors (1).
12741397 is an equidigital number, since it uses as much as digits as its factorization.
12741397 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 10584, while the sum is 34.
The square root of 12741397 is about 3569.5093500368. The cubic root of 12741397 is about 233.5638807470.
The spelling of 12741397 in words is "twelve million, seven hundred forty-one thousand, three hundred ninety-seven".
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