12533212 has 6 divisors (see below), whose sum is σ = 21933128. Its totient is φ = 6266604.

The previous prime is 12533203. The next prime is 12533237. The reversal of 12533212 is 21233521.

It is a self number, because there is not a number n which added to its sum of digits gives 12533212.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1566648 + ... + 1566655.

Almost surely, 2^12533212 is an apocalyptic number.

It is an amenable number.

12533212 is a deficient number, since it is larger than the sum of its proper divisors (9399916).

12533212 is a wasteful number, since it uses less digits than its factorization.

12533212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3133307 (or 3133305 counting only the distinct ones).

The product of its digits is 360, while the sum is 19.

The square root of 12533212 is about 3540.2276762943. The cubic root of 12533212 is about 232.2848018411.

Adding to 12533212 its reverse (21233521), we get a palindrome (33766733).

It can be divided in two parts, 1253 and 3212, that added together give a triangular number (4465 = T₉₄).

The spelling of 12533212 in words is "twelve million, five hundred thirty-three thousand, two hundred twelve".