11320709 has 2 divisors, whose sum is σ = 11320710. Its totient is φ = 11320708.

The previous prime is 11320703. The next prime is 11320723. The reversal of 11320709 is 90702311.

11320709 is digitally balanced in base 3, 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., 10099684 + 1221025 = 3178^2 + 1105^2 .

It is a cyclic number.

It is not a de Polignac number, because 11320709 - 2⁴ = 11320693 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11320703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5660354 + 5660355.

It is an arithmetic number, because the mean of its divisors is an integer number (5660355).

Almost surely, 2^11320709 is an apocalyptic number.

It is an amenable number.

11320709 is a deficient number, since it is larger than the sum of its proper divisors (1).

11320709 is an equidigital number, since it uses as much as digits as its factorization.

11320709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 378, while the sum is 23.

The square root of 11320709 is about 3364.6261307908. The cubic root of 11320709 is about 224.5387026262.

The spelling of 11320709 in words is "eleven million, three hundred twenty thousand, seven hundred nine".