12211433 has 12 divisors (see below), whose sum is σ = 13922640. Its totient is φ = 10676016.

The previous prime is 12211421. The next prime is 12211447. The reversal of 12211433 is 33411221.

It is not a de Polignac number, because 12211433 - 2¹² = 12207337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12211403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1310 + ... + 5112.

It is an arithmetic number, because the mean of its divisors is an integer number (1160220).

Almost surely, 2^12211433 is an apocalyptic number.

12211433 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12211433 is a deficient number, since it is larger than the sum of its proper divisors (1711207).

12211433 is a wasteful number, since it uses less digits than its factorization.

12211433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3848 (or 3835 counting only the distinct ones).

The product of its digits is 144, while the sum is 17.

The square root of 12211433 is about 3494.4860852492. The cubic root of 12211433 is about 230.2796409627.

Adding to 12211433 its reverse (33411221), we get a palindrome (45622654).

The spelling of 12211433 in words is "twelve million, two hundred eleven thousand, four hundred thirty-three".