12032521 has 2 divisors, whose sum is σ = 12032522. Its totient is φ = 12032520.

The previous prime is 12032509. The next prime is 12032591. The reversal of 12032521 is 12523021.

12032521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11148921 + 883600 = 3339^2 + 940^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12032521 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12032495 and 12032504.

It is not a weakly prime, because it can be changed into another prime (12032591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6016260 + 6016261.

It is an arithmetic number, because the mean of its divisors is an integer number (6016261).

Almost surely, 2^12032521 is an apocalyptic number.

It is an amenable number.

12032521 is a deficient number, since it is larger than the sum of its proper divisors (1).

12032521 is an equidigital number, since it uses as much as digits as its factorization.

12032521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 12032521 is about 3468.7924411818. The cubic root of 12032521 is about 229.1494800261.

Adding to 12032521 its reverse (12523021), we get a palindrome (24555542).

The spelling of 12032521 in words is "twelve million, thirty-two thousand, five hundred twenty-one".