12678793 has 4 divisors (see below), whose sum is σ = 12720400. Its totient is φ = 12637188.

The previous prime is 12678781. The next prime is 12678817. The reversal of 12678793 is 39787621.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 12678793 - 2⁵ = 12678761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12678493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20343 + ... + 20956.

It is an arithmetic number, because the mean of its divisors is an integer number (3180100).

Almost surely, 2^12678793 is an apocalyptic number.

It is an amenable number.

12678793 is a deficient number, since it is larger than the sum of its proper divisors (41607).

12678793 is an equidigital number, since it uses as much as digits as its factorization.

12678793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41606.

The product of its digits is 127008, while the sum is 43.

The square root of 12678793 is about 3560.7292792348. The cubic root of 12678793 is about 233.1807190235.

The spelling of 12678793 in words is "twelve million, six hundred seventy-eight thousand, seven hundred ninety-three".