12733456 has 20 divisors (see below), whose sum is σ = 24726592. Its totient is φ = 6352416.

The previous prime is 12733453. The next prime is 12733499. The reversal of 12733456 is 65433721.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12733453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12685 + ... + 13651.

Almost surely, 2^12733456 is an apocalyptic number.

12733456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12733456 is a deficient number, since it is larger than the sum of its proper divisors (11993136).

12733456 is an equidigital number, since it uses as much as digits as its factorization.

12733456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1798 (or 1792 counting only the distinct ones).

The product of its digits is 15120, while the sum is 31.

The square root of 12733456 is about 3568.3968389180. The cubic root of 12733456 is about 233.5153482293.

The spelling of 12733456 in words is "twelve million, seven hundred thirty-three thousand, four hundred fifty-six".