Base | Representation |
---|---|
bin | 110001001010… |
… | …000000000001 |
3 | 220020200021220 |
4 | 301022000001 |
5 | 11244323032 |
6 | 1140105253 |
7 | 214346364 |
oct | 61120001 |
9 | 26220256 |
10 | 12886017 |
11 | 7301501 |
12 | 4395229 |
13 | 2892381 |
14 | 19d60db |
15 | 11e812c |
hex | c4a001 |
12886017 has 8 divisors (see below), whose sum is σ = 18192096. Its totient is φ = 8085312.
The previous prime is 12886007. The next prime is 12886019. The reversal of 12886017 is 71068821.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 12886017 - 24 = 12886001 is a prime.
It is not an unprimeable number, because it can be changed into a prime (12886019) 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, 126283 + ... + 126384.
It is an arithmetic number, because the mean of its divisors is an integer number (2274012).
It is a Proth number, since it is equal to 1573 ⋅ 213 + 1 and 1573 < 213.
Almost surely, 212886017 is an apocalyptic number.
12886017 is a gapful number since it is divisible by the number (17) formed by its first and last digit.
It is an amenable number.
12886017 is a deficient number, since it is larger than the sum of its proper divisors (5306079).
12886017 is a wasteful number, since it uses less digits than its factorization.
12886017 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 252687.
The product of its (nonzero) digits is 5376, while the sum is 33.
The square root of 12886017 is about 3589.7098768563. The cubic root of 12886017 is about 234.4442397385. Note that the first 3 decimals are identical.
The spelling of 12886017 in words is "twelve million, eight hundred eighty-six thousand, seventeen".
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