12072533 has 12 divisors (see below), whose sum is σ = 14052780. Its totient is φ = 10327680.

The previous prime is 12072517. The next prime is 12072553. The reversal of 12072533 is 33527021.

12072533 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 4986289 + 7086244 = 2233^2 + 2662^2 .

It is not a de Polignac number, because 12072533 - 2⁴ = 12072517 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12072499 and 12072508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12072553) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 878 + ... + 4991.

It is an arithmetic number, because the mean of its divisors is an integer number (1171065).

Almost surely, 2^12072533 is an apocalyptic number.

It is an amenable number.

12072533 is a deficient number, since it is larger than the sum of its proper divisors (1980247).

12072533 is a wasteful number, since it uses less digits than its factorization.

12072533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5908 (or 5897 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 12072533 is about 3474.5550794310. Note that the first 3 decimals coincide. The cubic root of 12072533 is about 229.4031975620.

Adding to 12072533 its reverse (33527021), we get a palindrome (45599554).

The spelling of 12072533 in words is "twelve million, seventy-two thousand, five hundred thirty-three".