Base | Representation |
---|---|
bin | 110000010101… |
… | …001101101111 |
3 | 212211200201010 |
4 | 300111031233 |
5 | 11220413212 |
6 | 1131320303 |
7 | 212456133 |
oct | 60251557 |
9 | 25750633 |
10 | 12669807 |
11 | 7174017 |
12 | 42b0093 |
13 | 2817b37 |
14 | 197b3c3 |
15 | 11a403c |
hex | c1536f |
12669807 has 8 divisors (see below), whose sum is σ = 17124784. Its totient is φ = 8330688.
The previous prime is 12669791. The next prime is 12669817. The reversal of 12669807 is 70896621.
12669807 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 12669807 - 24 = 12669791 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12669817) 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 7 ways as a sum of consecutive naturals, for example, 28708 + ... + 29145.
It is an arithmetic number, because the mean of its divisors is an integer number (2140598).
Almost surely, 212669807 is an apocalyptic number.
12669807 is a deficient number, since it is larger than the sum of its proper divisors (4454977).
12669807 is an equidigital number, since it uses as much as digits as its factorization.
12669807 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 57929.
The product of its (nonzero) digits is 36288, while the sum is 39.
The square root of 12669807 is about 3559.4672354160. The cubic root of 12669807 is about 233.1256176386.
The spelling of 12669807 in words is "twelve million, six hundred sixty-nine thousand, eight hundred seven".
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