12432533 has 2 divisors, whose sum is σ = 12432534. Its totient is φ = 12432532.

The previous prime is 12432527. The next prime is 12432569. The reversal of 12432533 is 33523421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8076964 + 4355569 = 2842^2 + 2087^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12432533 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12432499 and 12432508.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12432523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6216266 + 6216267.

It is an arithmetic number, because the mean of its divisors is an integer number (6216267).

Almost surely, 2^12432533 is an apocalyptic number.

It is an amenable number.

12432533 is a deficient number, since it is larger than the sum of its proper divisors (1).

12432533 is an equidigital number, since it uses as much as digits as its factorization.

12432533 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2160, while the sum is 23.

The square root of 12432533 is about 3525.9797220064. The cubic root of 12432533 is about 231.6611494525.

Adding to 12432533 its reverse (33523421), we get a palindrome (45955954).

The spelling of 12432533 in words is "twelve million, four hundred thirty-two thousand, five hundred thirty-three".