12089500 has 24 divisors (see below), whose sum is σ = 26404560. Its totient is φ = 4835600.

The previous prime is 12089489. The next prime is 12089501. The reversal of 12089500 is 598021.

12089500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12089501) 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, 11590 + ... + 12589.

It is an arithmetic number, because the mean of its divisors is an integer number (1100190).

Almost surely, 2^12089500 is an apocalyptic number.

12089500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12089500 is an abundant number, since it is smaller than the sum of its proper divisors (14315060).

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

12089500 is a wasteful number, since it uses less digits than its factorization.

12089500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24198 (or 24186 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 12089500 is about 3476.9958297358. The cubic root of 12089500 is about 229.5106166662.

The spelling of 12089500 in words is "twelve million, eighty-nine thousand, five hundred".