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12830743 is a prime number
BaseRepresentation
bin110000111100…
…100000010111
3220010212110201
4300330200113
511241040433
61135001331
7214026262
oct60744027
926125421
1012830743
117273a22
124369247
132873173
1419bdcd9
1511d6a7d
hexc3c817

12830743 has 2 divisors, whose sum is σ = 12830744. Its totient is φ = 12830742.

The previous prime is 12830729. The next prime is 12830747. The reversal of 12830743 is 34703821.

12830743 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (34703821) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12830743 - 217 = 12699671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12830747) 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, 6415371 + 6415372.

It is an arithmetic number, because the mean of its divisors is an integer number (6415372).

Almost surely, 212830743 is an apocalyptic number.

12830743 is a deficient number, since it is larger than the sum of its proper divisors (1).

12830743 is an equidigital number, since it uses as much as digits as its factorization.

12830743 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 12830743 is about 3582.0026521487. The cubic root of 12830743 is about 234.1085465672.

The spelling of 12830743 in words is "twelve million, eight hundred thirty thousand, seven hundred forty-three".