12788473 has 2 divisors, whose sum is σ = 12788474. Its totient is φ = 12788472.

The previous prime is 12788459. The next prime is 12788497. The reversal of 12788473 is 37488721.

12788473 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11377129 + 1411344 = 3373^2 + 1188^2 .

It is a cyclic number.

It is not a de Polignac number, because 12788473 - 2²¹ = 10691321 is a prime.

It is not a weakly prime, because it can be changed into another prime (12788453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6394236 + 6394237.

It is an arithmetic number, because the mean of its divisors is an integer number (6394237).

Almost surely, 2^12788473 is an apocalyptic number.

It is an amenable number.

12788473 is a deficient number, since it is larger than the sum of its proper divisors (1).

12788473 is an equidigital number, since it uses as much as digits as its factorization.

12788473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 75264, while the sum is 40.

The square root of 12788473 is about 3576.0974539294. The cubic root of 12788473 is about 233.8511789003.

The spelling of 12788473 in words is "twelve million, seven hundred eighty-eight thousand, four hundred seventy-three".