12773791 has 2 divisors, whose sum is σ = 12773792. Its totient is φ = 12773790.

The previous prime is 12773779. The next prime is 12773807. The reversal of 12773791 is 19737721.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12773791 - 2¹⁵ = 12741023 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12773791.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12773701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6386895 + 6386896.

It is an arithmetic number, because the mean of its divisors is an integer number (6386896).

Almost surely, 2^12773791 is an apocalyptic number.

12773791 is a deficient number, since it is larger than the sum of its proper divisors (1).

12773791 is an equidigital number, since it uses as much as digits as its factorization.

12773791 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18522, while the sum is 37.

The square root of 12773791 is about 3574.0440679992. The cubic root of 12773791 is about 233.7616525023.

The spelling of 12773791 in words is "twelve million, seven hundred seventy-three thousand, seven hundred ninety-one".