Base | Representation |
---|---|
bin | 101111010000… |
… | …100101001101 |
3 | 212022102002012 |
4 | 233100211031 |
5 | 11132414220 |
6 | 1121311005 |
7 | 210205421 |
oct | 57204515 |
9 | 25272065 |
10 | 12388685 |
11 | 6aa1891 |
12 | 4195465 |
13 | 2749baa |
14 | 1906b81 |
15 | 114aac5 |
hex | bd094d |
12388685 has 16 divisors (see below), whose sum is σ = 15455232. Its totient is φ = 9523200.
The previous prime is 12388669. The next prime is 12388693. The reversal of 12388685 is 58688321.
12388685 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 12388685 - 24 = 12388669 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39680 + ... + 39990.
It is an arithmetic number, because the mean of its divisors is an integer number (965952).
Almost surely, 212388685 is an apocalyptic number.
It is an amenable number.
12388685 is a deficient number, since it is larger than the sum of its proper divisors (3066547).
12388685 is a wasteful number, since it uses less digits than its factorization.
12388685 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 604.
The product of its digits is 92160, while the sum is 41.
The square root of 12388685 is about 3519.7563836152. The cubic root of 12388685 is about 231.3884819440.
The spelling of 12388685 in words is "twelve million, three hundred eighty-eight thousand, six hundred eighty-five".
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