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12808193 is a prime number
BaseRepresentation
bin110000110111…
…000000000001
3220002201112112
4300313000001
511234330233
61134305105
7213603446
oct60670001
926081475
1012808193
117258a92
124358195
132865b18
1419b59cd
1511d0048
hexc37001

12808193 has 2 divisors, whose sum is σ = 12808194. Its totient is φ = 12808192.

The previous prime is 12808183. The next prime is 12808219. The reversal of 12808193 is 39180821.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10445824 + 2362369 = 3232^2 + 1537^2 .

It is a cyclic number.

It is not a de Polignac number, because 12808193 - 26 = 12808129 is a prime.

It is not a weakly prime, because it can be changed into another prime (12808183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6404096 + 6404097.

It is an arithmetic number, because the mean of its divisors is an integer number (6404097).

It is a Proth number, since it is equal to 3127 ⋅ 212 + 1 and 3127 < 212.

Almost surely, 212808193 is an apocalyptic number.

It is an amenable number.

12808193 is a deficient number, since it is larger than the sum of its proper divisors (1).

12808193 is an equidigital number, since it uses as much as digits as its factorization.

12808193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 32.

The square root of 12808193 is about 3578.8535873936. The cubic root of 12808193 is about 233.9713177400.

The spelling of 12808193 in words is "twelve million, eight hundred eight thousand, one hundred ninety-three".