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12804193 is a prime number
BaseRepresentation
bin110000110110…
…000001100001
3220002112001101
4300312001201
511234213233
61134234401
7213556003
oct60660141
926075041
1012804193
117255a86
124355a01
13286405c
1419b4373
1511cdc7d
hexc36061

12804193 has 2 divisors, whose sum is σ = 12804194. Its totient is φ = 12804192.

The previous prime is 12804191. The next prime is 12804229. The reversal of 12804193 is 39140821.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12616704 + 187489 = 3552^2 + 433^2 .

It is an emirp because it is prime and its reverse (39140821) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12804193 - 21 = 12804191 is a prime.

Together with 12804191, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (12804191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6402096 + 6402097.

It is an arithmetic number, because the mean of its divisors is an integer number (6402097).

Almost surely, 212804193 is an apocalyptic number.

It is an amenable number.

12804193 is a deficient number, since it is larger than the sum of its proper divisors (1).

12804193 is an equidigital number, since it uses as much as digits as its factorization.

12804193 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 12804193 is about 3578.2947055825. The cubic root of 12804193 is about 233.9469587818.

The spelling of 12804193 in words is "twelve million, eight hundred four thousand, one hundred ninety-three".