12530133 has 80 divisors (see below), whose sum is σ = 24393600. Its totient is φ = 6350400.

The previous prime is 12530123. The next prime is 12530137. The reversal of 12530133 is 33103521.

12530133 is a `hidden beast` number, since 1 + 2 + 530 + 133 = 666.

It is not a de Polignac number, because 12530133 - 2⁶ = 12530069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12530137) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 305593 + ... + 305633.

It is an arithmetic number, because the mean of its divisors is an integer number (304920).

Almost surely, 2^12530133 is an apocalyptic number.

It is an amenable number.

12530133 is a deficient number, since it is larger than the sum of its proper divisors (11863467).

12530133 is an equidigital number, since it uses as much as digits as its factorization.

12530133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85 (or 62 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 18.

The square root of 12530133 is about 3539.7927905458. The cubic root of 12530133 is about 232.2657786920.

Adding to 12530133 its reverse (33103521), we get a palindrome (45633654).

The spelling of 12530133 in words is "twelve million, five hundred thirty thousand, one hundred thirty-three".