Base | Representation |
---|---|
bin | 101110101000… |
… | …001000110011 |
3 | 211222222211201 |
4 | 232220020303 |
5 | 11112114102 |
6 | 1113552031 |
7 | 205615435 |
oct | 56501063 |
9 | 24888751 |
10 | 12223027 |
11 | 6999383 |
12 | 4115617 |
13 | 26bc67b |
14 | 18a2655 |
15 | 1116987 |
hex | ba8233 |
12223027 has 4 divisors (see below), whose sum is σ = 12258400. Its totient is φ = 12187656.
The previous prime is 12223009. The next prime is 12223031. The reversal of 12223027 is 72032221.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72032221 = 571 ⋅126151.
It is a cyclic number.
It is not a de Polignac number, because 12223027 - 211 = 12220979 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 12222995 and 12223013.
It is not an unprimeable number, because it can be changed into a prime (12223037) 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 3 ways as a sum of consecutive naturals, for example, 17163 + ... + 17860.
It is an arithmetic number, because the mean of its divisors is an integer number (3064600).
Almost surely, 212223027 is an apocalyptic number.
12223027 is the 2019-th hex number.
12223027 is a deficient number, since it is larger than the sum of its proper divisors (35373).
12223027 is an equidigital number, since it uses as much as digits as its factorization.
12223027 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 35372.
The product of its (nonzero) digits is 336, while the sum is 19.
The square root of 12223027 is about 3496.1445908314. The cubic root of 12223027 is about 230.3524966667.
Adding to 12223027 its reverse (72032221), we get a palindrome (84255248).
The spelling of 12223027 in words is "twelve million, two hundred twenty-three thousand, twenty-seven".
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