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12522193 is a prime number
BaseRepresentation
bin101111110001…
…001011010001
3212120012012221
4233301023101
511201202233
61124221041
7211302565
oct57611321
925505187
1012522193
117083122
12423a781
1327958a8
14193d6a5
15117542d
hexbf12d1

12522193 has 2 divisors, whose sum is σ = 12522194. Its totient is φ = 12522192.

The previous prime is 12522173. The next prime is 12522221. The reversal of 12522193 is 39122521.

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., 8162449 + 4359744 = 2857^2 + 2088^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12522193 is a prime.

It is not a weakly prime, because it can be changed into another prime (12522173) 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, 6261096 + 6261097.

It is an arithmetic number, because the mean of its divisors is an integer number (6261097).

Almost surely, 212522193 is an apocalyptic number.

It is an amenable number.

12522193 is a deficient number, since it is larger than the sum of its proper divisors (1).

12522193 is an equidigital number, since it uses as much as digits as its factorization.

12522193 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1080, while the sum is 25.

The square root of 12522193 is about 3538.6710782439. The cubic root of 12522193 is about 232.2167081845.

The spelling of 12522193 in words is "twelve million, five hundred twenty-two thousand, one hundred ninety-three".