12980791 has 4 divisors (see below), whose sum is σ = 13010800. Its totient is φ = 12950784.

The previous prime is 12980783. The next prime is 12980837. The reversal of 12980791 is 19708921.

12980791 is digitally balanced in base 3, 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 12980791 - 2³ = 12980783 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12980791.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12983791) 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, 14346 + ... + 15223.

It is an arithmetic number, because the mean of its divisors is an integer number (3252700).

Almost surely, 2^12980791 is an apocalyptic number.

12980791 is a deficient number, since it is larger than the sum of its proper divisors (30009).

12980791 is an equidigital number, since it uses as much as digits as its factorization.

12980791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30008.

The product of its (nonzero) digits is 9072, while the sum is 37.

The square root of 12980791 is about 3602.8864816977. The cubic root of 12980791 is about 235.0175994062.

The spelling of 12980791 in words is "twelve million, nine hundred eighty thousand, seven hundred ninety-one".