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13281041 is a prime number
BaseRepresentation
bin110010101010…
…011100010001
3220222202011102
4302222130101
511344443131
61152354145
7220613144
oct62523421
926882142
1013281041
117551274
124545955
1329a0107
141a9a05b
1512751cb
hexcaa711

13281041 has 2 divisors, whose sum is σ = 13281042. Its totient is φ = 13281040.

The previous prime is 13281031. The next prime is 13281049. The reversal of 13281041 is 14018231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12397441 + 883600 = 3521^2 + 940^2 .

It is a cyclic number.

It is not a de Polignac number, because 13281041 - 210 = 13280017 is a prime.

It is a nialpdrome in base 16.

It is not a weakly prime, because it can be changed into another prime (13281049) 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, 6640520 + 6640521.

It is an arithmetic number, because the mean of its divisors is an integer number (6640521).

Almost surely, 213281041 is an apocalyptic number.

It is an amenable number.

13281041 is a deficient number, since it is larger than the sum of its proper divisors (1).

13281041 is an equidigital number, since it uses as much as digits as its factorization.

13281041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 13281041 is about 3644.3162596021. The cubic root of 13281041 is about 236.8158170684.

Adding to 13281041 its reverse (14018231), we get a palindrome (27299272).

The spelling of 13281041 in words is "thirteen million, two hundred eighty-one thousand, forty-one".