13425773 has 2 divisors, whose sum is σ = 13425774. Its totient is φ = 13425772.

The previous prime is 13425757. The next prime is 13425779. The reversal of 13425773 is 37752431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8421604 + 5004169 = 2902^2 + 2237^2 .

It is a cyclic number.

It is not a de Polignac number, because 13425773 - 2⁴ = 13425757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13425779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6712886 + 6712887.

It is an arithmetic number, because the mean of its divisors is an integer number (6712887).

Almost surely, 2^13425773 is an apocalyptic number.

It is an amenable number.

13425773 is a deficient number, since it is larger than the sum of its proper divisors (1).

13425773 is an equidigital number, since it uses as much as digits as its factorization.

13425773 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17640, while the sum is 32.

The square root of 13425773 is about 3664.1196759931. The cubic root of 13425773 is about 237.6729554579.

The spelling of 13425773 in words is "thirteen million, four hundred twenty-five thousand, seven hundred seventy-three".