13530589 has 4 divisors (see below), whose sum is σ = 14326524. Its totient is φ = 12734656.

The previous prime is 13530563. The next prime is 13530599. The reversal of 13530589 is 98503531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 98503531 = 7 ⋅14071933.

It can be written as a sum of positive squares in 2 ways, for example, as 11002489 + 2528100 = 3317^2 + 1590^2 .

It is a cyclic number.

It is not a de Polignac number, because 13530589 - 2⁵ = 13530557 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 (13530599) 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, 397942 + ... + 397975.

It is an arithmetic number, because the mean of its divisors is an integer number (3581631).

Almost surely, 2^13530589 is an apocalyptic number.

It is an amenable number.

13530589 is a deficient number, since it is larger than the sum of its proper divisors (795935).

13530589 is an equidigital number, since it uses as much as digits as its factorization.

13530589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 795934.

The product of its (nonzero) digits is 16200, while the sum is 34.

The square root of 13530589 is about 3678.3948945158. The cubic root of 13530589 is about 238.2898629158.

The spelling of 13530589 in words is "thirteen million, five hundred thirty thousand, five hundred eighty-nine".