Base | Representation |
---|---|
bin | 101111011111… |
… | …101101111101 |
3 | 212102120010111 |
4 | 233133231331 |
5 | 11141410220 |
6 | 1122510021 |
7 | 210554242 |
oct | 57375575 |
9 | 25376114 |
10 | 12450685 |
11 | 7034425 |
12 | 4205311 |
13 | 276c190 |
14 | 19215c9 |
15 | 115e15a |
hex | bdfb7d |
12450685 has 32 divisors (see below), whose sum is σ = 17160192. Its totient is φ = 8605440.
The previous prime is 12450673. The next prime is 12450709. The reversal of 12450685 is 58605421.
It is not a de Polignac number, because 12450685 - 25 = 12450653 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (31).
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 74472 + ... + 74638.
It is an arithmetic number, because the mean of its divisors is an integer number (536256).
Almost surely, 212450685 is an apocalyptic number.
It is an amenable number.
12450685 is a deficient number, since it is larger than the sum of its proper divisors (4709507).
12450685 is a wasteful number, since it uses less digits than its factorization.
12450685 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 253.
The product of its (nonzero) digits is 9600, while the sum is 31.
The square root of 12450685 is about 3528.5528194998. The cubic root of 12450685 is about 231.7738395026.
The spelling of 12450685 in words is "twelve million, four hundred fifty thousand, six hundred eighty-five".
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