13085279 has 2 divisors, whose sum is σ = 13085280. Its totient is φ = 13085278.

The previous prime is 13085269. The next prime is 13085297. The reversal of 13085279 is 97258031.

Together with next prime (13085297) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13085279 - 2⁴ = 13085263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13085209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6542639 + 6542640.

It is an arithmetic number, because the mean of its divisors is an integer number (6542640).

Almost surely, 2^13085279 is an apocalyptic number.

13085279 is a deficient number, since it is larger than the sum of its proper divisors (1).

13085279 is an equidigital number, since it uses as much as digits as its factorization.

13085279 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 13085279 is about 3617.3580137996. The cubic root of 13085279 is about 235.6465010739.

The spelling of 13085279 in words is "thirteen million, eighty-five thousand, two hundred seventy-nine".