12786933 has 4 divisors (see below), whose sum is σ = 17049248. Its totient is φ = 8524620.

The previous prime is 12786913. The next prime is 12786937. The reversal of 12786933 is 33968721.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 12786933 - 2⁵ = 12786901 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12786891 and 12786900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12786937) 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 in 3 ways as a sum of consecutive naturals, for example, 2131153 + ... + 2131158.

It is an arithmetic number, because the mean of its divisors is an integer number (4262312).

Almost surely, 2^12786933 is an apocalyptic number.

It is an amenable number.

12786933 is a deficient number, since it is larger than the sum of its proper divisors (4262315).

12786933 is an equidigital number, since it uses as much as digits as its factorization.

12786933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4262314.

The product of its digits is 54432, while the sum is 39.

The square root of 12786933 is about 3575.8821289299. The cubic root of 12786933 is about 233.8417916635.

The spelling of 12786933 in words is "twelve million, seven hundred eighty-six thousand, nine hundred thirty-three".