13503085 has 4 divisors (see below), whose sum is σ = 16203708. Its totient is φ = 10802464.

The previous prime is 13503071. The next prime is 13503089. The reversal of 13503085 is 58030531.

It is a happy number.

13503085 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58030531 = 13 ⋅4463887.

It can be written as a sum of positive squares in 2 ways, for example, as 2553604 + 10949481 = 1598^2 + 3309^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13503085 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13503089) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1350304 + ... + 1350313.

It is an arithmetic number, because the mean of its divisors is an integer number (4050927).

Almost surely, 2^13503085 is an apocalyptic number.

It is an amenable number.

13503085 is a deficient number, since it is larger than the sum of its proper divisors (2700623).

13503085 is an equidigital number, since it uses as much as digits as its factorization.

13503085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2700622.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 13503085 is about 3674.6544055190. The cubic root of 13503085 is about 238.1282939407.

The spelling of 13503085 in words is "thirteen million, five hundred three thousand, eighty-five".