Base | Representation |
---|---|
bin | 101111010001… |
… | …100111001111 |
3 | 212022121212201 |
4 | 233101213033 |
5 | 11133033121 |
6 | 1121342331 |
7 | 210223636 |
oct | 57214717 |
9 | 25277781 |
10 | 12392911 |
11 | 6aa4a83 |
12 | 41979a7 |
13 | 274baab |
14 | 190851d |
15 | 114be91 |
hex | bd19cf |
12392911 has 2 divisors, whose sum is σ = 12392912. Its totient is φ = 12392910.
The previous prime is 12392899. The next prime is 12392927. The reversal of 12392911 is 11929321.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 12392911 - 25 = 12392879 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 12392911.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12392951) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6196455 + 6196456.
It is an arithmetic number, because the mean of its divisors is an integer number (6196456).
Almost surely, 212392911 is an apocalyptic number.
12392911 is a deficient number, since it is larger than the sum of its proper divisors (1).
12392911 is an equidigital number, since it uses as much as digits as its factorization.
12392911 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 972, while the sum is 28.
The square root of 12392911 is about 3520.3566580675. The cubic root of 12392911 is about 231.4147891902.
The spelling of 12392911 in words is "twelve million, three hundred ninety-two thousand, nine hundred eleven".
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