Base | Representation |
---|---|
bin | 101110101000… |
… | …010110110111 |
3 | 212000001002001 |
4 | 232220112313 |
5 | 11112131202 |
6 | 1114000131 |
7 | 205621162 |
oct | 56502667 |
9 | 25001061 |
10 | 12223927 |
11 | 699a021 |
12 | 4116047 |
13 | 26bcbc1 |
14 | 18a2ad9 |
15 | 1116d87 |
hex | ba85b7 |
12223927 has 2 divisors, whose sum is σ = 12223928. Its totient is φ = 12223926.
The previous prime is 12223921. The next prime is 12223933. The reversal of 12223927 is 72932221.
It is a balanced prime because it is at equal distance from previous prime (12223921) and next prime (12223933).
It is an emirp because it is prime and its reverse (72932221) is a distict prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-12223927 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 12223895 and 12223904.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12223921) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6111963 + 6111964.
It is an arithmetic number, because the mean of its divisors is an integer number (6111964).
Almost surely, 212223927 is an apocalyptic number.
12223927 is a deficient number, since it is larger than the sum of its proper divisors (1).
12223927 is an equidigital number, since it uses as much as digits as its factorization.
12223927 is an evil number, because the sum of its binary digits is even.
The product of its digits is 3024, while the sum is 28.
The square root of 12223927 is about 3496.2733016742. The cubic root of 12223927 is about 230.3581502624.
The spelling of 12223927 in words is "twelve million, two hundred twenty-three thousand, nine hundred twenty-seven".
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