12589020 has 120 divisors (see below), whose sum is σ = 41672400. Its totient is φ = 3172608.

The previous prime is 12588977. The next prime is 12589033. The reversal of 12589020 is 2098521.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 30576 + ... + 30984.

It is an arithmetic number, because the mean of its divisors is an integer number (347270).

Almost surely, 2^12589020 is an apocalyptic number.

12589020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12589020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20836200).

12589020 is an abundant number, since it is smaller than the sum of its proper divisors (29083380).

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

12589020 is a wasteful number, since it uses less digits than its factorization.

12589020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449 (or 438 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 12589020 is about 3548.1009004818. The cubic root of 12589020 is about 232.6290646571.

The spelling of 12589020 in words is "twelve million, five hundred eighty-nine thousand, twenty".