Base | Representation |
---|---|
bin | 101111011001… |
… | …100111101001 |
3 | 212101021212022 |
4 | 233121213221 |
5 | 11140110310 |
6 | 1122154225 |
7 | 210421355 |
oct | 57314751 |
9 | 25337768 |
10 | 12425705 |
11 | 7017686 |
12 | 41b2975 |
13 | 27609b6 |
14 | 1916465 |
15 | 1156a55 |
hex | bd99e9 |
12425705 has 8 divisors (see below), whose sum is σ = 14929800. Its totient is φ = 9927936.
The previous prime is 12425701. The next prime is 12425711. The reversal of 12425705 is 50752421.
It can be written as a sum of positive squares in 4 ways, for example, as 426409 + 11999296 = 653^2 + 3464^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 12425705 - 22 = 12425701 is a prime.
It is not an unprimeable number, because it can be changed into a prime (12425701) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6611 + ... + 8279.
It is an arithmetic number, because the mean of its divisors is an integer number (1866225).
Almost surely, 212425705 is an apocalyptic number.
It is an amenable number.
12425705 is a deficient number, since it is larger than the sum of its proper divisors (2504095).
12425705 is a wasteful number, since it uses less digits than its factorization.
12425705 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3163.
The product of its (nonzero) digits is 2800, while the sum is 26.
The square root of 12425705 is about 3525.0113474995. The cubic root of 12425705 is about 231.6187319234.
The spelling of 12425705 in words is "twelve million, four hundred twenty-five thousand, seven hundred five".
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