Base | Representation |
---|---|
bin | 110011000110… |
… | …000100101011 |
3 | 221012111102012 |
4 | 303012010223 |
5 | 11412103334 |
6 | 1155030135 |
7 | 221564126 |
oct | 63060453 |
9 | 27174365 |
10 | 13394219 |
11 | 7619303 |
12 | 459b34b |
13 | 2a0c797 |
14 | 1ac93bd |
15 | 12989ce |
hex | cc612b |
13394219 has 2 divisors, whose sum is σ = 13394220. Its totient is φ = 13394218.
The previous prime is 13394189. The next prime is 13394261. The reversal of 13394219 is 91249331.
It is a weak prime.
It is an emirp because it is prime and its reverse (91249331) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 13394219 - 212 = 13390123 is a prime.
It is a super-2 number, since 2×133942192 = 358810205239922, which contains 22 as substring.
It is equal to p873239 and since 13394219 and 873239 have the same sum of digits, it is a Honaker prime.
It is not a weakly prime, because it can be changed into another prime (13394279) 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 as a sum of consecutive naturals, namely, 6697109 + 6697110.
It is an arithmetic number, because the mean of its divisors is an integer number (6697110).
Almost surely, 213394219 is an apocalyptic number.
13394219 is a deficient number, since it is larger than the sum of its proper divisors (1).
13394219 is an equidigital number, since it uses as much as digits as its factorization.
13394219 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 5832, while the sum is 32.
The square root of 13394219 is about 3659.8113339351. The cubic root of 13394219 is about 237.4866119877.
The spelling of 13394219 in words is "thirteen million, three hundred ninety-four thousand, two hundred nineteen".
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