Base | Representation |
---|---|
bin | 110000100010… |
… | …011001110001 |
3 | 212221102210210 |
4 | 300202121301 |
5 | 11224130300 |
6 | 1132414333 |
7 | 213102462 |
oct | 60423161 |
9 | 25842723 |
10 | 12723825 |
11 | 7200664 |
12 | 43173a9 |
13 | 28365ba |
14 | 1992d69 |
15 | 11b5050 |
hex | c22671 |
12723825 has 24 divisors (see below), whose sum is σ = 22146400. Its totient is φ = 6428160.
The previous prime is 12723797. The next prime is 12723833. The reversal of 12723825 is 52832721.
It is not a de Polignac number, because 12723825 - 28 = 12723569 is a prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 12723792 and 12723801.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3040 + ... + 5889.
Almost surely, 212723825 is an apocalyptic number.
12723825 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
12723825 is a deficient number, since it is larger than the sum of its proper divisors (9422575).
12723825 is a wasteful number, since it uses less digits than its factorization.
12723825 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8961 (or 8956 counting only the distinct ones).
The product of its digits is 6720, while the sum is 30.
The square root of 12723825 is about 3567.0470980911. The cubic root of 12723825 is about 233.4564599597.
The spelling of 12723825 in words is "twelve million, seven hundred twenty-three thousand, eight hundred twenty-five".
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