Base | Representation |
---|---|
bin | 101110111100… |
… | …100100100101 |
3 | 212011020122122 |
4 | 232330210211 |
5 | 11122303400 |
6 | 1115435325 |
7 | 206414444 |
oct | 56744445 |
9 | 25136578 |
10 | 12306725 |
11 | 6a46252 |
12 | 4155b45 |
13 | 271b7b2 |
14 | 18c4d5b |
15 | 1131685 |
hex | bbc925 |
12306725 has 24 divisors (see below), whose sum is σ = 16873920. Its totient is φ = 8856320.
The previous prime is 12306719. The next prime is 12306727. The reversal of 12306725 is 52760321.
It is not a de Polignac number, because 12306725 - 218 = 12044581 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 12306694 and 12306703.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12306727) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9146 + ... + 10404.
It is an arithmetic number, because the mean of its divisors is an integer number (703080).
Almost surely, 212306725 is an apocalyptic number.
It is an amenable number.
12306725 is a deficient number, since it is larger than the sum of its proper divisors (4567195).
12306725 is a wasteful number, since it uses less digits than its factorization.
12306725 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1309 (or 1304 counting only the distinct ones).
The product of its (nonzero) digits is 2520, while the sum is 26.
The square root of 12306725 is about 3508.0942119618. The cubic root of 12306725 is about 230.8770858373.
It can be divided in two parts, 12306 and 725, that added together give a palindrome (13031).
The spelling of 12306725 in words is "twelve million, three hundred six thousand, seven hundred twenty-five".
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