12065500 has 48 divisors (see below), whose sum is σ = 26863200. Its totient is φ = 4732800.

The previous prime is 12065491. The next prime is 12065507. The reversal of 12065500 is 556021.

It is a happy number.

12065500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12065507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29296 + ... + 29704.

It is an arithmetic number, because the mean of its divisors is an integer number (559650).

Almost surely, 2^12065500 is an apocalyptic number.

12065500 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 12065500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13431600).

12065500 is an abundant number, since it is smaller than the sum of its proper divisors (14797700).

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

12065500 is a wasteful number, since it uses less digits than its factorization.

12065500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487 (or 475 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 12065500 is about 3473.5428599630. The cubic root of 12065500 is about 229.3586417070.

The spelling of 12065500 in words is "twelve million, sixty-five thousand, five hundred".