13445589 has 16 divisors (see below), whose sum is σ = 19638720. Its totient is φ = 8144640.

The previous prime is 13445587. The next prime is 13445629. The reversal of 13445589 is 98554431.

It is not a de Polignac number, because 13445589 - 2¹ = 13445587 is a prime.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13445587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3067 + ... + 6024.

It is an arithmetic number, because the mean of its divisors is an integer number (1227420).

Almost surely, 2^13445589 is an apocalyptic number.

It is an amenable number.

13445589 is a deficient number, since it is larger than the sum of its proper divisors (6193131).

13445589 is a wasteful number, since it uses less digits than its factorization.

13445589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9140.

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

The square root of 13445589 is about 3666.8227391026. The cubic root of 13445589 is about 237.7898304676.

The spelling of 13445589 in words is "thirteen million, four hundred forty-five thousand, five hundred eighty-nine".