12133412 has 6 divisors (see below), whose sum is σ = 21233478. Its totient is φ = 6066704.

The previous prime is 12133411. The next prime is 12133421. The reversal of 12133412 is 21433121.

It can be written as a sum of positive squares in only one way, i.e., 11792356 + 341056 = 3434^2 + 584^2 .

It is not an unprimeable number, because it can be changed into a prime (12133411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1516673 + ... + 1516680.

It is an arithmetic number, because the mean of its divisors is an integer number (3538913).

Almost surely, 2^12133412 is an apocalyptic number.

It is an amenable number.

12133412 is a deficient number, since it is larger than the sum of its proper divisors (9100066).

12133412 is a wasteful number, since it uses less digits than its factorization.

12133412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3033357 (or 3033355 counting only the distinct ones).

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

The square root of 12133412 is about 3483.3047526738. The cubic root of 12133412 is about 229.7881603342.

Adding to 12133412 its reverse (21433121), we get a palindrome (33566533).

It can be divided in two parts, 121 and 33412, that added together give a palindrome (33533).

The spelling of 12133412 in words is "twelve million, one hundred thirty-three thousand, four hundred twelve".