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12858343 is a prime number
BaseRepresentation
bin110001000011…
…001111100111
3220012021022221
4301003033213
511242431333
61135333211
7214202611
oct61031747
926167287
1012858343
117292733
124381207
1328828b4
1419c9db1
1511ded2d
hexc433e7

12858343 has 2 divisors, whose sum is σ = 12858344. Its totient is φ = 12858342.

The previous prime is 12858337. The next prime is 12858347. The reversal of 12858343 is 34385821.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12858343 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12858299 and 12858308.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12858347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6429171 + 6429172.

It is an arithmetic number, because the mean of its divisors is an integer number (6429172).

Almost surely, 212858343 is an apocalyptic number.

12858343 is a deficient number, since it is larger than the sum of its proper divisors (1).

12858343 is an equidigital number, since it uses as much as digits as its factorization.

12858343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23040, while the sum is 34.

The square root of 12858343 is about 3585.8531760238. The cubic root of 12858343 is about 234.2762886955.

The spelling of 12858343 in words is "twelve million, eight hundred fifty-eight thousand, three hundred forty-three".