12240525 has 48 divisors (see below), whose sum is σ = 22730688. Its totient is φ = 5760000.

The previous prime is 12240511. The next prime is 12240559. The reversal of 12240525 is 52504221.

It is a happy number.

It is not a de Polignac number, because 12240525 - 2⁹ = 12240013 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 30325 + ... + 30725.

It is an arithmetic number, because the mean of its divisors is an integer number (473556).

Almost surely, 2^12240525 is an apocalyptic number.

12240525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12240525 is a deficient number, since it is larger than the sum of its proper divisors (10490163).

12240525 is a wasteful number, since it uses less digits than its factorization.

12240525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462 (or 457 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 12240525 is about 3498.6461667336. The cubic root of 12240525 is about 230.4623654173.

Adding to 12240525 its reverse (52504221), we get a palindrome (64744746).

The spelling of 12240525 in words is "twelve million, two hundred forty thousand, five hundred twenty-five".