12530433 has 16 divisors (see below), whose sum is σ = 17024000. Its totient is φ = 8197200.

The previous prime is 12530429. The next prime is 12530459. The reversal of 12530433 is 33403521.

12530433 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12530433 - 2² = 12530429 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12535433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62868 + ... + 63066.

It is an arithmetic number, because the mean of its divisors is an integer number (1064000).

Almost surely, 2^12530433 is an apocalyptic number.

It is an amenable number.

12530433 is a deficient number, since it is larger than the sum of its proper divisors (4493567).

12530433 is a wasteful number, since it uses less digits than its factorization.

12530433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 12530433 is about 3539.8351656539. The cubic root of 12530433 is about 232.2676323350.

Adding to 12530433 its reverse (33403521), we get a palindrome (45933954).

The spelling of 12530433 in words is "twelve million, five hundred thirty thousand, four hundred thirty-three".