12133456 has 10 divisors (see below), whose sum is σ = 23508602. Its totient is φ = 6066720.

The previous prime is 12133421. The next prime is 12133463. The reversal of 12133456 is 65433121.

It can be written as a sum of positive squares in only one way, i.e., 6843456 + 5290000 = 2616^2 + 2300^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12133456.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 379155 + ... + 379186.

Almost surely, 2^12133456 is an apocalyptic number.

12133456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12133456 is a deficient number, since it is larger than the sum of its proper divisors (11375146).

12133456 is an equidigital number, since it uses as much as digits as its factorization.

12133456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 758349 (or 758343 counting only the distinct ones).

The product of its digits is 2160, while the sum is 25.

The square root of 12133456 is about 3483.3110685094. The cubic root of 12133456 is about 229.7884380980.

Adding to 12133456 its reverse (65433121), we get a palindrome (77566577).

The spelling of 12133456 in words is "twelve million, one hundred thirty-three thousand, four hundred fifty-six".