Base | Representation |
---|---|
bin | 110000000101… |
… | …000101001101 |
3 | 212201100001122 |
4 | 300011011031 |
5 | 11211304400 |
6 | 1130050325 |
7 | 212062361 |
oct | 60050515 |
9 | 25640048 |
10 | 12603725 |
11 | 7129402 |
12 | 42799a5 |
13 | 27c3a34 |
14 | 19612a1 |
15 | 118e685 |
hex | c0514d |
12603725 has 6 divisors (see below), whose sum is σ = 15628650. Its totient is φ = 10082960.
The previous prime is 12603713. The next prime is 12603727. The reversal of 12603725 is 52730621.
12603725 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 3 ways, for example, as 4418404 + 8185321 = 2102^2 + 2861^2 .
It is not a de Polignac number, because 12603725 - 220 = 11555149 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 12603694 and 12603703.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12603727) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 252050 + ... + 252099.
It is an arithmetic number, because the mean of its divisors is an integer number (2604775).
Almost surely, 212603725 is an apocalyptic number.
It is an amenable number.
12603725 is a deficient number, since it is larger than the sum of its proper divisors (3024925).
12603725 is an equidigital number, since it uses as much as digits as its factorization.
12603725 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 504159 (or 504154 counting only the distinct ones).
The product of its (nonzero) digits is 2520, while the sum is 26.
The square root of 12603725 is about 3550.1725310187. The cubic root of 12603725 is about 232.7196059736.
The spelling of 12603725 in words is "twelve million, six hundred three thousand, seven hundred twenty-five".
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