13585836 has 48 divisors (see below), whose sum is σ = 36408960. Its totient is φ = 3899520.

The previous prime is 13585823. The next prime is 13585837. The reversal of 13585836 is 63858531.

It is a junction number, because it is equal to n+sod(n) for n = 13585794 and 13585803.

It is not an unprimeable number, because it can be changed into a prime (13585837) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 201 + ... + 5216.

It is an arithmetic number, because the mean of its divisors is an integer number (758520).

Almost surely, 2^13585836 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13585836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18204480).

13585836 is an abundant number, since it is smaller than the sum of its proper divisors (22823124).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13585836 is a wasteful number, since it uses less digits than its factorization.

13585836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5454 (or 5452 counting only the distinct ones).

The product of its digits is 86400, while the sum is 39.

The square root of 13585836 is about 3685.8969057748. The cubic root of 13585836 is about 238.6137444255.

The spelling of 13585836 in words is "thirteen million, five hundred eighty-five thousand, eight hundred thirty-six".