12936766 has 4 divisors (see below), whose sum is σ = 19405152. Its totient is φ = 6468382.

The previous prime is 12936751. The next prime is 12936769. The reversal of 12936766 is 66763921.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12936769) 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 as a sum of consecutive naturals, namely, 3234190 + ... + 3234193.

It is an arithmetic number, because the mean of its divisors is an integer number (4851288).

Almost surely, 2^12936766 is an apocalyptic number.

12936766 is a deficient number, since it is larger than the sum of its proper divisors (6468386).

12936766 is an equidigital number, since it uses as much as digits as its factorization.

12936766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6468385.

The product of its digits is 81648, while the sum is 40.

The square root of 12936766 is about 3596.7716079840. The cubic root of 12936766 is about 234.7516071678.

The spelling of 12936766 in words is "twelve million, nine hundred thirty-six thousand, seven hundred sixty-six".