Base | Representation |
---|---|
bin | 110001001100… |
… | …011001101001 |
3 | 220021011210001 |
4 | 301030121221 |
5 | 11300131344 |
6 | 1140223001 |
7 | 214420141 |
oct | 61143151 |
9 | 26234701 |
10 | 12895849 |
11 | 730892a |
12 | 439aa61 |
13 | 28969a5 |
14 | 19d9921 |
15 | 11eaed4 |
hex | c4c669 |
12895849 has 2 divisors, whose sum is σ = 12895850. Its totient is φ = 12895848.
The previous prime is 12895837. The next prime is 12895873. The reversal of 12895849 is 94859821.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 12709225 + 186624 = 3565^2 + 432^2 .
It is a cyclic number.
It is not a de Polignac number, because 12895849 - 213 = 12887657 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 12895799 and 12895808.
It is not a weakly prime, because it can be changed into another prime (12895819) 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, 6447924 + 6447925.
It is an arithmetic number, because the mean of its divisors is an integer number (6447925).
Almost surely, 212895849 is an apocalyptic number.
It is an amenable number.
12895849 is a deficient number, since it is larger than the sum of its proper divisors (1).
12895849 is an equidigital number, since it uses as much as digits as its factorization.
12895849 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 207360, while the sum is 46.
The square root of 12895849 is about 3591.0790857345. The cubic root of 12895849 is about 234.5038513771.
The spelling of 12895849 in words is "twelve million, eight hundred ninety-five thousand, eight hundred forty-nine".
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