Base | Representation |
---|---|
bin | 110000010111… |
… | …111010011011 |
3 | 212212020212110 |
4 | 300113322123 |
5 | 11221241414 |
6 | 1131443403 |
7 | 212533302 |
oct | 60277233 |
9 | 25766773 |
10 | 12680859 |
11 | 7181354 |
12 | 42b6563 |
13 | 281cb89 |
14 | 1981439 |
15 | 11a7459 |
hex | c17e9b |
12680859 has 8 divisors (see below), whose sum is σ = 17490960. Its totient is φ = 8162336.
The previous prime is 12680851. The next prime is 12680867. The reversal of 12680859 is 95808621.
It is an interprime number because it is at equal distance from previous prime (12680851) and next prime (12680867).
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 12680859 - 23 = 12680851 is a prime.
It is not an unprimeable number, because it can be changed into a prime (12680851) 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, 72792 + ... + 72965.
It is an arithmetic number, because the mean of its divisors is an integer number (2186370).
Almost surely, 212680859 is an apocalyptic number.
12680859 is a deficient number, since it is larger than the sum of its proper divisors (4810101).
12680859 is a wasteful number, since it uses less digits than its factorization.
12680859 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 145789.
The product of its (nonzero) digits is 34560, while the sum is 39.
The square root of 12680859 is about 3561.0193765269. The cubic root of 12680859 is about 233.1933838779.
The spelling of 12680859 in words is "twelve million, six hundred eighty thousand, eight hundred fifty-nine".
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