Base | Representation |
---|---|
bin | 110000110011… |
… | …110000011001 |
3 | 220002001022101 |
4 | 300303300121 |
5 | 11233414110 |
6 | 1134123401 |
7 | 213516634 |
oct | 60636031 |
9 | 26061271 |
10 | 12794905 |
11 | 724a002 |
12 | 4350561 |
13 | 285ca66 |
14 | 19b0c1b |
15 | 11cb13a |
hex | c33c19 |
12794905 has 8 divisors (see below), whose sum is σ = 15373512. Its totient is φ = 10222848.
The previous prime is 12794849. The next prime is 12794921. The reversal of 12794905 is 50949721.
It can be written as a sum of positive squares in 4 ways, for example, as 3326976 + 9467929 = 1824^2 + 3077^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 12794905 - 29 = 12794393 is a prime.
It is a Duffinian number.
It is an unprimeable number.
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 in 7 ways as a sum of consecutive naturals, for example, 5499 + ... + 7471.
It is an arithmetic number, because the mean of its divisors is an integer number (1921689).
Almost surely, 212794905 is an apocalyptic number.
It is an amenable number.
12794905 is a deficient number, since it is larger than the sum of its proper divisors (2578607).
12794905 is a wasteful number, since it uses less digits than its factorization.
12794905 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3275.
The product of its (nonzero) digits is 22680, while the sum is 37.
The square root of 12794905 is about 3576.9966452319. The cubic root of 12794905 is about 233.8903777081.
The spelling of 12794905 in words is "twelve million, seven hundred ninety-four thousand, nine hundred five".
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