Base | Representation |
---|---|
bin | 110000110010… |
… | …111001000011 |
3 | 220001212110012 |
4 | 300302321003 |
5 | 11233310423 |
6 | 1134055135 |
7 | 213503414 |
oct | 60627103 |
9 | 26055405 |
10 | 12791363 |
11 | 7247382 |
12 | 434a4ab |
13 | 285b270 |
14 | 19ad80b |
15 | 11ca078 |
hex | c32e43 |
12791363 has 4 divisors (see below), whose sum is σ = 13775328. Its totient is φ = 11807400.
The previous prime is 12791353. The next prime is 12791393. The reversal of 12791363 is 36319721.
It is a happy number.
12791363 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36319721 = 83 ⋅437587.
It is a cyclic number.
It is not a de Polignac number, because 12791363 - 26 = 12791299 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12791323) 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, 491963 + ... + 491988.
It is an arithmetic number, because the mean of its divisors is an integer number (3443832).
Almost surely, 212791363 is an apocalyptic number.
12791363 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
12791363 is a deficient number, since it is larger than the sum of its proper divisors (983965).
12791363 is an equidigital number, since it uses as much as digits as its factorization.
12791363 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 983964.
The product of its digits is 6804, while the sum is 32.
The square root of 12791363 is about 3576.5015028656. The cubic root of 12791363 is about 233.8687931744.
The spelling of 12791363 in words is "twelve million, seven hundred ninety-one thousand, three hundred sixty-three".
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