11473729 has 2 divisors, whose sum is σ = 11473730. Its totient is φ = 11473728.

The previous prime is 11473699. The next prime is 11473753. The reversal of 11473729 is 92737411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7263025 + 4210704 = 2695^2 + 2052^2 .

It is a cyclic number.

It is not a de Polignac number, because 11473729 - 2⁷ = 11473601 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11473694 and 11473703.

It is not a weakly prime, because it can be changed into another prime (11473799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5736864 + 5736865.

It is an arithmetic number, because the mean of its divisors is an integer number (5736865).

Almost surely, 2^11473729 is an apocalyptic number.

It is an amenable number.

11473729 is a deficient number, since it is larger than the sum of its proper divisors (1).

11473729 is an equidigital number, since it uses as much as digits as its factorization.

11473729 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10584, while the sum is 34.

The square root of 11473729 is about 3387.2893292425. The cubic root of 11473729 is about 225.5458614726.

The spelling of 11473729 in words is "eleven million, four hundred seventy-three thousand, seven hundred twenty-nine".