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12803851 is a prime number
BaseRepresentation
bin110000110101…
…111100001011
3220002111120201
4300311330023
511234210401
61134233031
7213555004
oct60657413
926074521
1012803851
1172557a5
124355777
132863b58
1419b41ab
1511cdb01
hexc35f0b

12803851 has 2 divisors, whose sum is σ = 12803852. Its totient is φ = 12803850.

The previous prime is 12803803. The next prime is 12803863. The reversal of 12803851 is 15830821.

12803851 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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12803851 is a prime.

It is not a weakly prime, because it can be changed into another prime (12803951) 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, 6401925 + 6401926.

It is an arithmetic number, because the mean of its divisors is an integer number (6401926).

Almost surely, 212803851 is an apocalyptic number.

12803851 is a deficient number, since it is larger than the sum of its proper divisors (1).

12803851 is an equidigital number, since it uses as much as digits as its factorization.

12803851 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1920, while the sum is 28.

The square root of 12803851 is about 3578.2469171369. The cubic root of 12803851 is about 233.9448758554.

The spelling of 12803851 in words is "twelve million, eight hundred three thousand, eight hundred fifty-one".