11147729 has 2 divisors, whose sum is σ = 11147730. Its totient is φ = 11147728.

The previous prime is 11147713. The next prime is 11147753. The reversal of 11147729 is 92774111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6076225 + 5071504 = 2465^2 + 2252^2 .

It is a cyclic number.

It is not a de Polignac number, because 11147729 - 2⁴ = 11147713 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 11147695 and 11147704.

It is not a weakly prime, because it can be changed into another prime (11147779) 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, 5573864 + 5573865.

It is an arithmetic number, because the mean of its divisors is an integer number (5573865).

Almost surely, 2^11147729 is an apocalyptic number.

It is an amenable number.

11147729 is a deficient number, since it is larger than the sum of its proper divisors (1).

11147729 is an equidigital number, since it uses as much as digits as its factorization.

11147729 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3528, while the sum is 32.

The square root of 11147729 is about 3338.8214986728. The cubic root of 11147729 is about 223.3891801131.

The spelling of 11147729 in words is "eleven million, one hundred forty-seven thousand, seven hundred twenty-nine".