13585535 has 4 divisors (see below), whose sum is σ = 16302648. Its totient is φ = 10868424.

The previous prime is 13585511. The next prime is 13585541. The reversal of 13585535 is 53558531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 53558531 = 13 ⋅4119887.

It is a cyclic number.

It is not a de Polignac number, because 13585535 - 2⁸ = 13585279 is a prime.

It is a super-2 number, since 2×13585535² = 369133522472450, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13585495 and 13585504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1358549 + ... + 1358558.

It is an arithmetic number, because the mean of its divisors is an integer number (4075662).

Almost surely, 2^13585535 is an apocalyptic number.

13585535 is a deficient number, since it is larger than the sum of its proper divisors (2717113).

13585535 is an equidigital number, since it uses as much as digits as its factorization.

13585535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2717112.

The product of its digits is 45000, while the sum is 35.

The square root of 13585535 is about 3685.8560742384. The cubic root of 13585535 is about 238.6119822160.

The spelling of 13585535 in words is "thirteen million, five hundred eighty-five thousand, five hundred thirty-five".