12708791 has 4 divisors (see below), whose sum is σ = 13118784. Its totient is φ = 12298800.

The previous prime is 12708781. The next prime is 12708793. The reversal of 12708791 is 19780721.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19780721 = 2029 ⋅9749.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12708791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12708793) 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, 204950 + ... + 205011.

It is an arithmetic number, because the mean of its divisors is an integer number (3279696).

Almost surely, 2^12708791 is an apocalyptic number.

12708791 is a deficient number, since it is larger than the sum of its proper divisors (409993).

12708791 is an equidigital number, since it uses as much as digits as its factorization.

12708791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409992.

The product of its (nonzero) digits is 7056, while the sum is 35.

The square root of 12708791 is about 3564.9391299151. The cubic root of 12708791 is about 233.3644758886.

The spelling of 12708791 in words is "twelve million, seven hundred eight thousand, seven hundred ninety-one".