Base | Representation |
---|---|
bin | 101110110111… |
… | …101011100001 |
3 | 212010020011120 |
4 | 232313223201 |
5 | 11121133224 |
6 | 1115202453 |
7 | 206302152 |
oct | 56675341 |
9 | 25106146 |
10 | 12286689 |
11 | 6a32198 |
12 | 4146429 |
13 | 271263c |
14 | 18bb929 |
15 | 112a779 |
hex | bb7ae1 |
12286689 has 8 divisors (see below), whose sum is σ = 16492800. Its totient is φ = 8135856.
The previous prime is 12286679. The next prime is 12286697. The reversal of 12286689 is 98668221.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 12286689 - 211 = 12284641 is a prime.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 12286689.
It is not an unprimeable number, because it can be changed into a prime (12286649) 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, 13297 + ... + 14190.
It is an arithmetic number, because the mean of its divisors is an integer number (2061600).
Almost surely, 212286689 is an apocalyptic number.
It is an amenable number.
12286689 is a deficient number, since it is larger than the sum of its proper divisors (4206111).
12286689 is a wasteful number, since it uses less digits than its factorization.
12286689 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 27639.
The product of its digits is 82944, while the sum is 42.
The square root of 12286689 is about 3505.2373671408. The cubic root of 12286689 is about 230.7517244070.
The spelling of 12286689 in words is "twelve million, two hundred eighty-six thousand, six hundred eighty-nine".
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