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13081351 is a prime number
BaseRepresentation
bin110001111001…
…101100000111
3220121121020111
4301321230013
511322100401
61144213451
7216122023
oct61715407
926547214
1013081351
117425238
12446a287
13293025a
141a47383
151235e51
hexc79b07

13081351 has 2 divisors, whose sum is σ = 13081352. Its totient is φ = 13081350.

The previous prime is 13081339. The next prime is 13081379. The reversal of 13081351 is 15318031.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13081351 - 27 = 13081223 is a prime.

It is a super-2 number, since 2×130813512 = 342243487970402, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13081751) 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, 6540675 + 6540676.

It is an arithmetic number, because the mean of its divisors is an integer number (6540676).

Almost surely, 213081351 is an apocalyptic number.

13081351 is a deficient number, since it is larger than the sum of its proper divisors (1).

13081351 is an equidigital number, since it uses as much as digits as its factorization.

13081351 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 13081351 is about 3616.8150353591. The cubic root of 13081351 is about 235.6229195594.

Adding to 13081351 its reverse (15318031), we get a palindrome (28399382).

The spelling of 13081351 in words is "thirteen million, eighty-one thousand, three hundred fifty-one".