12030525 has 60 divisors (see below), whose sum is σ = 24051412. Its totient is φ = 5909760.

The previous prime is 12030521. The next prime is 12030533. The reversal of 12030525 is 52503021.

It is a happy number.

12030525 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 210681 + 11819844 = 459^2 + 3438^2 .

It is not a de Polignac number, because 12030525 - 2² = 12030521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12030498 and 12030507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12030521) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 26097 + ... + 26553.

Almost surely, 2^12030525 is an apocalyptic number.

12030525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12030525 is a deficient number, since it is larger than the sum of its proper divisors (12020887).

12030525 is a wasteful number, since it uses less digits than its factorization.

12030525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492 (or 478 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 12030525 is about 3468.5047210578. The cubic root of 12030525 is about 229.1368085985.

Adding to 12030525 its reverse (52503021), we get a palindrome (64533546).

The spelling of 12030525 in words is "twelve million, thirty thousand, five hundred twenty-five".