Base | Representation |
---|---|
bin | 110000110011… |
… | …100001000101 |
3 | 220001222222002 |
4 | 300303201011 |
5 | 11233401200 |
6 | 1134115045 |
7 | 213514034 |
oct | 60634105 |
9 | 26058862 |
10 | 12793925 |
11 | 72492a1 |
12 | 434ba85 |
13 | 285c491 |
14 | 19b071b |
15 | 11cabd5 |
hex | c33845 |
12793925 has 6 divisors (see below), whose sum is σ = 15864498. Its totient is φ = 10235120.
The previous prime is 12793889. The next prime is 12793931. The reversal of 12793925 is 52939721.
It can be written as a sum of positive squares in 3 ways, for example, as 20449 + 12773476 = 143^2 + 3574^2 .
It is not a de Polignac number, because 12793925 - 216 = 12728389 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 255854 + ... + 255903.
It is an arithmetic number, because the mean of its divisors is an integer number (2644083).
Almost surely, 212793925 is an apocalyptic number.
It is an amenable number.
12793925 is a deficient number, since it is larger than the sum of its proper divisors (3070573).
12793925 is an equidigital number, since it uses as much as digits as its factorization.
12793925 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 511767 (or 511762 counting only the distinct ones).
The product of its digits is 34020, while the sum is 38.
The square root of 12793925 is about 3576.8596561789. The cubic root of 12793925 is about 233.8844061013.
The spelling of 12793925 in words is "twelve million, seven hundred ninety-three thousand, nine hundred twenty-five".
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