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12810433 is a prime number
BaseRepresentation
bin110000110111…
…100011000001
3220002211121111
4300313203001
511234413213
61134323321
7213613126
oct60674301
926084544
1012810433
11725a739
124359541
132866b4c
1419b674d
1511d0a3d
hexc378c1

12810433 has 2 divisors, whose sum is σ = 12810434. Its totient is φ = 12810432.

The previous prime is 12810407. The next prime is 12810437. The reversal of 12810433 is 33401821.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12623809 + 186624 = 3553^2 + 432^2 .

It is a cyclic number.

It is not a de Polignac number, because 12810433 - 29 = 12809921 is a prime.

It is not a weakly prime, because it can be changed into another prime (12810437) 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, 6405216 + 6405217.

It is an arithmetic number, because the mean of its divisors is an integer number (6405217).

Almost surely, 212810433 is an apocalyptic number.

It is an amenable number.

12810433 is a deficient number, since it is larger than the sum of its proper divisors (1).

12810433 is an equidigital number, since it uses as much as digits as its factorization.

12810433 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 12810433 is about 3579.1665230889. The cubic root of 12810433 is about 233.9849565414.

The spelling of 12810433 in words is "twelve million, eight hundred ten thousand, four hundred thirty-three".