Base | Representation |
---|---|
bin | 101101110011… |
… | …111110110011 |
3 | 211121010210102 |
4 | 231303332303 |
5 | 11033300040 |
6 | 1105223015 |
7 | 204035546 |
oct | 55637663 |
9 | 24533712 |
10 | 12009395 |
11 | 6862922 |
12 | 4031a6b |
13 | 2646368 |
14 | 184885d |
15 | 10c3515 |
hex | b73fb3 |
12009395 has 12 divisors (see below), whose sum is σ = 15310704. Its totient is φ = 9041280.
The previous prime is 12009383. The next prime is 12009407. The reversal of 12009395 is 59390021.
It is an interprime number because it is at equal distance from previous prime (12009383) and next prime (12009407).
It is not a de Polignac number, because 12009395 - 24 = 12009379 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2711 + ... + 5600.
It is an arithmetic number, because the mean of its divisors is an integer number (1275892).
Almost surely, 212009395 is an apocalyptic number.
12009395 is a deficient number, since it is larger than the sum of its proper divisors (3301309).
12009395 is an equidigital number, since it uses as much as digits as its factorization.
12009395 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8350 (or 8333 counting only the distinct ones).
The product of its (nonzero) digits is 2430, while the sum is 29.
The square root of 12009395 is about 3465.4574012675. The cubic root of 12009395 is about 229.0025806489.
The spelling of 12009395 in words is "twelve million, nine thousand, three hundred ninety-five".
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