12733533 has 6 divisors (see below), whose sum is σ = 18392894. Its totient is φ = 8489016.

The previous prime is 12733507. The next prime is 12733537. The reversal of 12733533 is 33533721.

12733533 is a `hidden beast` number, since 127 + 3 + 3 + 533 = 666.

It can be written as a sum of positive squares in only one way, i.e., 11573604 + 1159929 = 3402^2 + 1077^2 .

It is not a de Polignac number, because 12733533 - 2¹⁴ = 12717149 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12733497 and 12733506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12733537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 707410 + ... + 707427.

Almost surely, 2^12733533 is an apocalyptic number.

It is an amenable number.

12733533 is a deficient number, since it is larger than the sum of its proper divisors (5659361).

12733533 is a wasteful number, since it uses less digits than its factorization.

12733533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1414843 (or 1414840 counting only the distinct ones).

The product of its digits is 5670, while the sum is 27.

The square root of 12733533 is about 3568.4076280604. The cubic root of 12733533 is about 233.5158189223.

The spelling of 12733533 in words is "twelve million, seven hundred thirty-three thousand, five hundred thirty-three".