Base | Representation |
---|---|
bin | 101110010000… |
… | …110010011010 |
3 | 211211010122110 |
4 | 232100302122 |
5 | 11101034021 |
6 | 1111533150 |
7 | 205036545 |
oct | 56206232 |
9 | 24733573 |
10 | 12127386 |
11 | 6933537 |
12 | 408a1b6 |
13 | 2687c8b |
14 | 187985c |
15 | 10e8476 |
hex | b90c9a |
12127386 has 32 divisors (see below), whose sum is σ = 25302528. Its totient is φ = 3870720.
The previous prime is 12127351. The next prime is 12127387. The reversal of 12127386 is 68372121.
It is not an unprimeable number, because it can be changed into a prime (12127387) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20730 + ... + 21306.
It is an arithmetic number, because the mean of its divisors is an integer number (790704).
Almost surely, 212127386 is an apocalyptic number.
12127386 is an abundant number, since it is smaller than the sum of its proper divisors (13175142).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12127386 is a wasteful number, since it uses less digits than its factorization.
12127386 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 726.
The product of its digits is 4032, while the sum is 30.
The square root of 12127386 is about 3482.4396620760. The cubic root of 12127386 is about 229.7501129778.
The spelling of 12127386 in words is "twelve million, one hundred twenty-seven thousand, three hundred eighty-six".
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