Base | Representation |
---|---|
bin | 110000111001… |
… | …101110110011 |
3 | 220010021212211 |
4 | 300321232303 |
5 | 11240210004 |
6 | 1134432551 |
7 | 213651166 |
oct | 60715663 |
9 | 26107784 |
10 | 12819379 |
11 | 7266431 |
12 | 4362757 |
13 | 286ac41 |
14 | 19b9add |
15 | 11d3504 |
hex | c39bb3 |
12819379 has 2 divisors, whose sum is σ = 12819380. Its totient is φ = 12819378.
The previous prime is 12819341. The next prime is 12819383. The reversal of 12819379 is 97391821.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 12819379 - 215 = 12786611 is a prime.
It is not a weakly prime, because it can be changed into another prime (12819329) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6409689 + 6409690.
It is an arithmetic number, because the mean of its divisors is an integer number (6409690).
Almost surely, 212819379 is an apocalyptic number.
12819379 is a deficient number, since it is larger than the sum of its proper divisors (1).
12819379 is an equidigital number, since it uses as much as digits as its factorization.
12819379 is an evil number, because the sum of its binary digits is even.
The product of its digits is 27216, while the sum is 40.
The square root of 12819379 is about 3580.4160372783. The cubic root of 12819379 is about 234.0394106557.
The spelling of 12819379 in words is "twelve million, eight hundred nineteen thousand, three hundred seventy-nine".
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