12656733 has 8 divisors (see below), whose sum is σ = 16917600. Its totient is φ = 8416848.

The previous prime is 12656713. The next prime is 12656737. The reversal of 12656733 is 33765621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12656733 - 2⁸ = 12656477 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 12656694 and 12656703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12656737) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3778 + ... + 6291.

It is an arithmetic number, because the mean of its divisors is an integer number (2114700).

Almost surely, 2^12656733 is an apocalyptic number.

It is an amenable number.

12656733 is a deficient number, since it is larger than the sum of its proper divisors (4260867).

12656733 is a wasteful number, since it uses less digits than its factorization.

12656733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10491.

The product of its digits is 22680, while the sum is 33.

The square root of 12656733 is about 3557.6302506022. The cubic root of 12656733 is about 233.0454024388.

The spelling of 12656733 in words is "twelve million, six hundred fifty-six thousand, seven hundred thirty-three".