12791371 has 4 divisors (see below), whose sum is σ = 12832552. Its totient is φ = 12750192.

The previous prime is 12791353. The next prime is 12791393. The reversal of 12791371 is 17319721.

12791371 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 12791371 - 2⁹ = 12790859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12791341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20121 + ... + 20746.

It is an arithmetic number, because the mean of its divisors is an integer number (3208138).

Almost surely, 2^12791371 is an apocalyptic number.

12791371 is a deficient number, since it is larger than the sum of its proper divisors (41181).

12791371 is an equidigital number, since it uses as much as digits as its factorization.

12791371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41180.

The product of its digits is 2646, while the sum is 31.

The square root of 12791371 is about 3576.5026212768. The cubic root of 12791371 is about 233.8688419299.

The spelling of 12791371 in words is "twelve million, seven hundred ninety-one thousand, three hundred seventy-one".