12144500 has 48 divisors (see below), whose sum is σ = 26889408. Its totient is φ = 4791200.

The previous prime is 12144493. The next prime is 12144521. The reversal of 12144500 is 544121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53387 + ... + 53613.

It is an arithmetic number, because the mean of its divisors is an integer number (560196).

Almost surely, 2^12144500 is an apocalyptic number.

12144500 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 12144500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13444704).

12144500 is an abundant number, since it is smaller than the sum of its proper divisors (14744908).

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

12144500 is a wasteful number, since it uses less digits than its factorization.

12144500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353 (or 341 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 12144500 is about 3484.8959812310. The cubic root of 12144500 is about 229.8581355781.

Adding to 12144500 its reverse (544121), we get a palindrome (12688621).

The spelling of 12144500 in words is "twelve million, one hundred forty-four thousand, five hundred".