12130525 has 12 divisors (see below), whose sum is σ = 16409664. Its totient is φ = 8822000.

The previous prime is 12130523. The next prime is 12130541. The reversal of 12130525 is 52503121.

It is not a de Polignac number, because 12130525 - 2¹ = 12130523 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12130523) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 21781 + ... + 22330.

It is an arithmetic number, because the mean of its divisors is an integer number (1367472).

Almost surely, 2^12130525 is an apocalyptic number.

It is an amenable number.

12130525 is a deficient number, since it is larger than the sum of its proper divisors (4279139).

12130525 is a wasteful number, since it uses less digits than its factorization.

12130525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44132 (or 44127 counting only the distinct ones).

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

The square root of 12130525 is about 3482.8903227061. The cubic root of 12130525 is about 229.7699337754.

Adding to 12130525 its reverse (52503121), we get a palindrome (64633646).

The spelling of 12130525 in words is "twelve million, one hundred thirty thousand, five hundred twenty-five".