13220589 has 8 divisors (see below), whose sum is σ = 17665600. Its totient is φ = 8794656.

The previous prime is 13220587. The next prime is 13220609. The reversal of 13220589 is 98502231.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13220589 - 2¹ = 13220587 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 (13220587) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3064 + ... + 5985.

It is an arithmetic number, because the mean of its divisors is an integer number (2208200).

Almost surely, 2^13220589 is an apocalyptic number.

It is an amenable number.

13220589 is a deficient number, since it is larger than the sum of its proper divisors (4445011).

13220589 is an equidigital number, since it uses as much as digits as its factorization.

13220589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9539.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 13220589 is about 3636.0127887564. The cubic root of 13220589 is about 236.4559615970.

The spelling of 13220589 in words is "thirteen million, two hundred twenty thousand, five hundred eighty-nine".