Base | Representation |
---|---|
bin | 101111001000… |
… | …010110010001 |
3 | 212020200211011 |
4 | 233020112101 |
5 | 11130324321 |
6 | 1120450521 |
7 | 210005203 |
oct | 57102621 |
9 | 25220734 |
10 | 12354961 |
11 | 6a79513 |
12 | 4179a41 |
13 | 2737738 |
14 | 18d8773 |
15 | 1140ae1 |
hex | bc8591 |
12354961 has 2 divisors, whose sum is σ = 12354962. Its totient is φ = 12354960.
The previous prime is 12354943. The next prime is 12354967. The reversal of 12354961 is 16945321.
12354961 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 8910225 + 3444736 = 2985^2 + 1856^2 .
It is a cyclic number.
It is not a de Polignac number, because 12354961 - 221 = 10257809 is a prime.
It is a super-2 number, since 2×123549612 = 305290122623042, which contains 22 as substring.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (12354967) 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, 6177480 + 6177481.
It is an arithmetic number, because the mean of its divisors is an integer number (6177481).
Almost surely, 212354961 is an apocalyptic number.
It is an amenable number.
12354961 is a deficient number, since it is larger than the sum of its proper divisors (1).
12354961 is an equidigital number, since it uses as much as digits as its factorization.
12354961 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 6480, while the sum is 31.
The square root of 12354961 is about 3514.9624464566. The cubic root of 12354961 is about 231.1783322107.
The spelling of 12354961 in words is "twelve million, three hundred fifty-four thousand, nine hundred sixty-one".
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