13085393 has 4 divisors (see below), whose sum is σ = 13855140. Its totient is φ = 12315648.

The previous prime is 13085389. The next prime is 13085399. The reversal of 13085393 is 39358031.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10029889 + 3055504 = 3167^2 + 1748^2 .

It is a cyclic number.

It is not a de Polignac number, because 13085393 - 2² = 13085389 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13085399) 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 in 3 ways as a sum of consecutive naturals, for example, 384848 + ... + 384881.

It is an arithmetic number, because the mean of its divisors is an integer number (3463785).

Almost surely, 2^13085393 is an apocalyptic number.

It is an amenable number.

13085393 is a deficient number, since it is larger than the sum of its proper divisors (769747).

13085393 is an equidigital number, since it uses as much as digits as its factorization.

13085393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769746.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 13085393 is about 3617.3737711218. The cubic root of 13085393 is about 235.6471853957.

The spelling of 13085393 in words is "thirteen million, eighty-five thousand, three hundred ninety-three".