12919573 has 2 divisors, whose sum is σ = 12919574. Its totient is φ = 12919572.

The previous prime is 12919567. The next prime is 12919597. The reversal of 12919573 is 37591921.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7193124 + 5726449 = 2682^2 + 2393^2 .

It is a cyclic number.

It is not a de Polignac number, because 12919573 - 2⁹ = 12919061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12919513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6459786 + 6459787.

It is an arithmetic number, because the mean of its divisors is an integer number (6459787).

Almost surely, 2^12919573 is an apocalyptic number.

It is an amenable number.

12919573 is a deficient number, since it is larger than the sum of its proper divisors (1).

12919573 is an equidigital number, since it uses as much as digits as its factorization.

12919573 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17010, while the sum is 37.

The square root of 12919573 is about 3594.3807533426. The cubic root of 12919573 is about 234.6475658721.

The spelling of 12919573 in words is "twelve million, nine hundred nineteen thousand, five hundred seventy-three".