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12856933 is a prime number
BaseRepresentation
bin110001000010…
…111001100101
3220012012101201
4301002321211
511242410213
61135322501
7214165525
oct61027145
926165351
1012856933
117291671
124380431
13288206b
1419c9685
1511de6dd
hexc42e65

12856933 has 2 divisors, whose sum is σ = 12856934. Its totient is φ = 12856932.

The previous prime is 12856891. The next prime is 12856969. The reversal of 12856933 is 33965821.

12856933 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 can be written as a sum of positive squares in only one way, i.e., 12837889 + 19044 = 3583^2 + 138^2 .

It is a cyclic number.

It is not a de Polignac number, because 12856933 - 221 = 10759781 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12856892 and 12856901.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12856033) 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, 6428466 + 6428467.

It is an arithmetic number, because the mean of its divisors is an integer number (6428467).

Almost surely, 212856933 is an apocalyptic number.

It is an amenable number.

12856933 is a deficient number, since it is larger than the sum of its proper divisors (1).

12856933 is an equidigital number, since it uses as much as digits as its factorization.

12856933 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38880, while the sum is 37.

The square root of 12856933 is about 3585.6565647033. The cubic root of 12856933 is about 234.2677250819.

The spelling of 12856933 in words is "twelve million, eight hundred fifty-six thousand, nine hundred thirty-three".