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12856382 = 2711312693
BaseRepresentation
bin110001000010…
…110000111110
3220012011122022
4301002300332
511242401012
61135320142
7214164110
oct61026076
926164568
1012856382
117291210
124380052
132881a36
1419c93b0
1511de472
hexc42c3e

12856382 has 32 divisors (see below), whose sum is σ = 24827904. Its totient is φ = 4845600.

The previous prime is 12856373. The next prime is 12856387. The reversal of 12856382 is 28365821.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12856387) 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 15 ways as a sum of consecutive naturals, for example, 3428 + ... + 6120.

It is an arithmetic number, because the mean of its divisors is an integer number (775872).

Almost surely, 212856382 is an apocalyptic number.

12856382 is a deficient number, since it is larger than the sum of its proper divisors (11971522).

12856382 is a wasteful number, since it uses less digits than its factorization.

12856382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2744.

The product of its digits is 23040, while the sum is 35.

The square root of 12856382 is about 3585.5797299739. The cubic root of 12856382 is about 234.2643784216.

It can be divided in two parts, 1285 and 6382, that added together give a palindrome (7667).

The spelling of 12856382 in words is "twelve million, eight hundred fifty-six thousand, three hundred eighty-two".

Divisors: 1 2 7 11 14 22 31 62 77 154 217 341 434 682 2387 2693 4774 5386 18851 29623 37702 59246 83483 166966 207361 414722 584381 918313 1168762 1836626 6428191 12856382