Base | Representation |
---|---|
bin | 110000100010… |
… | …110000010111 |
3 | 212221111210100 |
4 | 300202300113 |
5 | 11224202041 |
6 | 1132425143 |
7 | 213106626 |
oct | 60426027 |
9 | 25844710 |
10 | 12725271 |
11 | 7201759 |
12 | 43181b3 |
13 | 2837160 |
14 | 19936bd |
15 | 11b56b6 |
hex | c22c17 |
12725271 has 24 divisors (see below), whose sum is σ = 20130656. Its totient is φ = 7698240.
The previous prime is 12725263. The next prime is 12725281. The reversal of 12725271 is 17252721.
It is not a de Polignac number, because 12725271 - 23 = 12725263 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12725201) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6246 + ... + 8028.
Almost surely, 212725271 is an apocalyptic number.
12725271 is a deficient number, since it is larger than the sum of its proper divisors (7405385).
12725271 is a wasteful number, since it uses less digits than its factorization.
12725271 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1863 (or 1860 counting only the distinct ones).
The product of its digits is 1960, while the sum is 27.
The square root of 12725271 is about 3567.2497809938. The cubic root of 12725271 is about 233.4653033501.
Adding to 12725271 its reverse (17252721), we get a palindrome (29977992).
It can be divided in two parts, 12725 and 271, that added together give a square (12996 = 1142).
The spelling of 12725271 in words is "twelve million, seven hundred twenty-five thousand, two hundred seventy-one".
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