11133212 has 12 divisors (see below), whose sum is σ = 19656336. Its totient is φ = 5517120.

The previous prime is 11133211. The next prime is 11133217. The reversal of 11133212 is 21233111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11133211) 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 3 ways as a sum of consecutive naturals, for example, 11864 + ... + 12767.

It is an arithmetic number, because the mean of its divisors is an integer number (1638028).

Almost surely, 2^11133212 is an apocalyptic number.

It is an amenable number.

11133212 is a deficient number, since it is larger than the sum of its proper divisors (8523124).

11133212 is a wasteful number, since it uses less digits than its factorization.

11133212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24748 (or 24746 counting only the distinct ones).

The product of its digits is 36, while the sum is 14.

The square root of 11133212 is about 3336.6468197878. The cubic root of 11133212 is about 223.2921693396.

Adding to 11133212 its reverse (21233111), we get a palindrome (32366323).

The spelling of 11133212 in words is "eleven million, one hundred thirty-three thousand, two hundred twelve".