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12750193 is a prime number
BaseRepresentation
bin110000101000…
…110101110001
3212222202222101
4300220311301
511231001233
61133140401
7213242401
oct60506561
925882871
1012750193
117219455
12432a701
1328455c1
14199c801
1511bcc7d
hexc28d71

12750193 has 2 divisors, whose sum is σ = 12750194. Its totient is φ = 12750192.

The previous prime is 12750191. The next prime is 12750209. The reversal of 12750193 is 39105721.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10975969 + 1774224 = 3313^2 + 1332^2 .

It is an emirp because it is prime and its reverse (39105721) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12750193 - 21 = 12750191 is a prime.

Together with 12750191, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (12750191) 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, 6375096 + 6375097.

It is an arithmetic number, because the mean of its divisors is an integer number (6375097).

Almost surely, 212750193 is an apocalyptic number.

It is an amenable number.

12750193 is a deficient number, since it is larger than the sum of its proper divisors (1).

12750193 is an equidigital number, since it uses as much as digits as its factorization.

12750193 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1890, while the sum is 28.

The square root of 12750193 is about 3570.7412395748. The cubic root of 12750193 is about 233.6176151823.

The spelling of 12750193 in words is "twelve million, seven hundred fifty thousand, one hundred ninety-three".