12548791 has 2 divisors, whose sum is σ = 12548792. Its totient is φ = 12548790.

The previous prime is 12548779. The next prime is 12548801. The reversal of 12548791 is 19784521.

It is a strong prime.

It is an emirp because it is prime and its reverse (19784521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12548791 - 2⁷ = 12548663 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12548791.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12548761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6274395 + 6274396.

It is an arithmetic number, because the mean of its divisors is an integer number (6274396).

Almost surely, 2^12548791 is an apocalyptic number.

12548791 is a deficient number, since it is larger than the sum of its proper divisors (1).

12548791 is an equidigital number, since it uses as much as digits as its factorization.

12548791 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20160, while the sum is 37.

The square root of 12548791 is about 3542.4272751886. The cubic root of 12548791 is about 232.3810066705.

The spelling of 12548791 in words is "twelve million, five hundred forty-eight thousand, seven hundred ninety-one".