Base | Representation |
---|---|
bin | 101110100000… |
… | …110011101111 |
3 | 211221110122212 |
4 | 232200303233 |
5 | 11110134012 |
6 | 1113201035 |
7 | 205432061 |
oct | 56406357 |
9 | 24843585 |
10 | 12193007 |
11 | 6978872 |
12 | 410017b |
13 | 26abac8 |
14 | 1895731 |
15 | 110cb22 |
hex | ba0cef |
12193007 has 2 divisors, whose sum is σ = 12193008. Its totient is φ = 12193006.
The previous prime is 12193001. The next prime is 12193009. The reversal of 12193007 is 70039121.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 12193007 - 28 = 12192751 is a prime.
Together with 12193009, it forms a pair of twin primes.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12193001) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6096503 + 6096504.
It is an arithmetic number, because the mean of its divisors is an integer number (6096504).
Almost surely, 212193007 is an apocalyptic number.
12193007 is a deficient number, since it is larger than the sum of its proper divisors (1).
12193007 is an equidigital number, since it uses as much as digits as its factorization.
12193007 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 378, while the sum is 23.
The square root of 12193007 is about 3491.8486507866. The cubic root of 12193007 is about 230.1637586135.
The spelling of 12193007 in words is "twelve million, one hundred ninety-three thousand, seven".
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