12791386 has 8 divisors (see below), whose sum is σ = 19211904. Its totient is φ = 6387420.

The previous prime is 12791353. The next prime is 12791393. The reversal of 12791386 is 68319721.

12791386 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1980 + ... + 5431.

It is an arithmetic number, because the mean of its divisors is an integer number (2401488).

Almost surely, 2^12791386 is an apocalyptic number.

12791386 is a deficient number, since it is larger than the sum of its proper divisors (6420518).

12791386 is an equidigital number, since it uses as much as digits as its factorization.

12791386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8276.

The product of its digits is 18144, while the sum is 37.

The square root of 12791386 is about 3576.5047182969. The cubic root of 12791386 is about 233.8689333465.

The spelling of 12791386 in words is "twelve million, seven hundred ninety-one thousand, three hundred eighty-six".