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13275791 is a prime number
BaseRepresentation
bin110010101001…
…001010001111
3220222110221222
4302221022033
511344311131
61152313555
7220561634
oct62511217
926873858
1013275791
117548331
1245428bb
13299a8c9
141a9818b
15127387b
hexca928f

13275791 has 2 divisors, whose sum is σ = 13275792. Its totient is φ = 13275790.

The previous prime is 13275749. The next prime is 13275797. The reversal of 13275791 is 19757231.

It is a happy number.

13275791 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13275791 - 26 = 13275727 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13275797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6637895 + 6637896.

It is an arithmetic number, because the mean of its divisors is an integer number (6637896).

Almost surely, 213275791 is an apocalyptic number.

13275791 is a deficient number, since it is larger than the sum of its proper divisors (1).

13275791 is an equidigital number, since it uses as much as digits as its factorization.

13275791 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13230, while the sum is 35.

The square root of 13275791 is about 3643.5958886792. The cubic root of 13275791 is about 236.7846084983.

The spelling of 13275791 in words is "thirteen million, two hundred seventy-five thousand, seven hundred ninety-one".