12445533 has 12 divisors (see below), whose sum is σ = 18395520. Its totient is φ = 8103816.

The previous prime is 12445529. The next prime is 12445541. The reversal of 12445533 is 33554421.

12445533 is a `hidden beast` number, since 124 + 4 + 5 + 533 = 666.

It is not a de Polignac number, because 12445533 - 2² = 12445529 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12445497 and 12445506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12445583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15693 + ... + 16466.

It is an arithmetic number, because the mean of its divisors is an integer number (1532960).

Almost surely, 2^12445533 is an apocalyptic number.

It is an amenable number.

12445533 is a deficient number, since it is larger than the sum of its proper divisors (5949987).

12445533 is a wasteful number, since it uses less digits than its factorization.

12445533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32208 (or 32205 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 12445533 is about 3527.8226996265. The cubic root of 12445533 is about 231.7418663337.

Adding to 12445533 its reverse (33554421), we get a palindrome (45999954).

The spelling of 12445533 in words is "twelve million, four hundred forty-five thousand, five hundred thirty-three".