Base | Representation |
---|---|
bin | 110000111111… |
… | …011011100101 |
3 | 220011110220111 |
4 | 300333123211 |
5 | 11241431400 |
6 | 1135133021 |
7 | 214106230 |
oct | 60773345 |
9 | 26143814 |
10 | 12842725 |
11 | 7281a25 |
12 | 4374171 |
13 | 287875c |
14 | 19c4417 |
15 | 11da3ba |
hex | c3f6e5 |
12842725 has 12 divisors (see below), whose sum is σ = 18200224. Its totient is φ = 8806320.
The previous prime is 12842719. The next prime is 12842729. The reversal of 12842725 is 52724821.
It is a happy number.
It is not a de Polignac number, because 12842725 - 211 = 12840677 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12842729) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36519 + ... + 36868.
Almost surely, 212842725 is an apocalyptic number.
It is an amenable number.
12842725 is a deficient number, since it is larger than the sum of its proper divisors (5357499).
12842725 is an equidigital number, since it uses as much as digits as its factorization.
12842725 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 73404 (or 73399 counting only the distinct ones).
The product of its digits is 8960, while the sum is 31.
The square root of 12842725 is about 3583.6747899328. The cubic root of 12842725 is about 234.1813980480.
The spelling of 12842725 in words is "twelve million, eight hundred forty-two thousand, seven hundred twenty-five".
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