Base | Representation |
---|---|
bin | 101110000010… |
… | …111111010001 |
3 | 211201021010002 |
4 | 232002333101 |
5 | 11042231430 |
6 | 1110415345 |
7 | 204413012 |
oct | 56027721 |
9 | 24637102 |
10 | 12070865 |
11 | 68a5024 |
12 | 4061555 |
13 | 2668331 |
14 | 1863009 |
15 | 10d6845 |
hex | b82fd1 |
12070865 has 8 divisors (see below), whose sum is σ = 14567040. Its totient is φ = 9602032.
The previous prime is 12070853. The next prime is 12070897. The reversal of 12070865 is 56807021.
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 12070865 - 26 = 12070801 is a prime.
It is a Curzon number.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 5849 + ... + 7638.
It is an arithmetic number, because the mean of its divisors is an integer number (1820880).
Almost surely, 212070865 is an apocalyptic number.
It is an amenable number.
12070865 is a deficient number, since it is larger than the sum of its proper divisors (2496175).
12070865 is a wasteful number, since it uses less digits than its factorization.
12070865 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13671.
The product of its (nonzero) digits is 3360, while the sum is 29.
The square root of 12070865 is about 3474.3150404072. The cubic root of 12070865 is about 229.3926319208.
Adding to 12070865 its reverse (56807021), we get a palindrome (68877886).
The spelling of 12070865 in words is "twelve million, seventy thousand, eight hundred sixty-five".
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