Base | Representation |
---|---|
bin | 110000110110… |
… | …000101001001 |
3 | 220002112100222 |
4 | 300312011021 |
5 | 11234220200 |
6 | 1134235425 |
7 | 213556454 |
oct | 60660511 |
9 | 26075328 |
10 | 12804425 |
11 | 7256177 |
12 | 4355b75 |
13 | 28641aa |
14 | 19b449b |
15 | 11cdd85 |
hex | c36149 |
12804425 has 12 divisors (see below), whose sum is σ = 15951360. Its totient is φ = 10195920.
The previous prime is 12804403. The next prime is 12804433. The reversal of 12804425 is 52440821.
It is a happy number.
It is not a de Polignac number, because 12804425 - 212 = 12800329 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 12804394 and 12804403.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4904 + ... + 7046.
It is an arithmetic number, because the mean of its divisors is an integer number (1329280).
Almost surely, 212804425 is an apocalyptic number.
It is an amenable number.
12804425 is a deficient number, since it is larger than the sum of its proper divisors (3146935).
12804425 is a wasteful number, since it uses less digits than its factorization.
12804425 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2392 (or 2387 counting only the distinct ones).
The product of its (nonzero) digits is 2560, while the sum is 26.
The square root of 12804425 is about 3578.3271231121. The cubic root of 12804425 is about 233.9483717399.
The spelling of 12804425 in words is "twelve million, eight hundred four thousand, four hundred twenty-five".
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