12144525 has 24 divisors (see below), whose sum is σ = 20207040. Its totient is φ = 6435840.

The previous prime is 12144523. The next prime is 12144563. The reversal of 12144525 is 52544121.

It is not a de Polignac number, because 12144525 - 2¹ = 12144523 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12144495 and 12144504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12144521) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14056 + ... + 14894.

It is an arithmetic number, because the mean of its divisors is an integer number (841960).

Almost surely, 2^12144525 is an apocalyptic number.

12144525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12144525 is a deficient number, since it is larger than the sum of its proper divisors (8062515).

12144525 is a wasteful number, since it uses less digits than its factorization.

12144525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1045 (or 1040 counting only the distinct ones).

The product of its digits is 1600, while the sum is 24.

The square root of 12144525 is about 3484.8995681368. The cubic root of 12144525 is about 229.8582933025.

Adding to 12144525 its reverse (52544121), we get a palindrome (64688646).

The spelling of 12144525 in words is "twelve million, one hundred forty-four thousand, five hundred twenty-five".