Base | Representation |
---|---|
bin | 110000011111… |
… | …111010000101 |
3 | 212220220210021 |
4 | 300133322011 |
5 | 11223313410 |
6 | 1132255141 |
7 | 213030622 |
oct | 60377205 |
9 | 25826707 |
10 | 12713605 |
11 | 71a3a13 |
12 | 43114b1 |
13 | 2831a58 |
14 | 198d349 |
15 | 11b1eda |
hex | c1fe85 |
12713605 has 8 divisors (see below), whose sum is σ = 15321600. Its totient is φ = 10127376.
The previous prime is 12713593. The next prime is 12713609. The reversal of 12713605 is 50631721.
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 12713605 - 25 = 12713573 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 12713605.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12713609) 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, 4125 + ... + 6514.
It is an arithmetic number, because the mean of its divisors is an integer number (1915200).
Almost surely, 212713605 is an apocalyptic number.
It is an amenable number.
12713605 is a deficient number, since it is larger than the sum of its proper divisors (2607995).
12713605 is a wasteful number, since it uses less digits than its factorization.
12713605 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10883.
The product of its (nonzero) digits is 1260, while the sum is 25.
The square root of 12713605 is about 3565.6142528322. The cubic root of 12713605 is about 233.3939377724.
The spelling of 12713605 in words is "twelve million, seven hundred thirteen thousand, six hundred five".
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