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12855833 is a prime number
BaseRepresentation
bin110001000010…
…101000011001
3220012010212222
4301002220121
511242341313
61135313425
7214162364
oct61025031
926163788
1012855833
117290861
12437b875
132881703
1419c90db
1511de208
hexc42a19

12855833 has 2 divisors, whose sum is σ = 12855834. Its totient is φ = 12855832.

The previous prime is 12855823. The next prime is 12855851. The reversal of 12855833 is 33855821.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8133904 + 4721929 = 2852^2 + 2173^2 .

It is an emirp because it is prime and its reverse (33855821) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12855833 - 218 = 12593689 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12855793 and 12855802.

It is not a weakly prime, because it can be changed into another prime (12855823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6427916 + 6427917.

It is an arithmetic number, because the mean of its divisors is an integer number (6427917).

Almost surely, 212855833 is an apocalyptic number.

It is an amenable number.

12855833 is a deficient number, since it is larger than the sum of its proper divisors (1).

12855833 is an equidigital number, since it uses as much as digits as its factorization.

12855833 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28800, while the sum is 35.

The square root of 12855833 is about 3585.5031724989. The cubic root of 12855833 is about 234.2610438138.

The spelling of 12855833 in words is "twelve million, eight hundred fifty-five thousand, eight hundred thirty-three".