11790209 has 2 divisors, whose sum is σ = 11790210. Its totient is φ = 11790208.

The previous prime is 11790167. The next prime is 11790227. The reversal of 11790209 is 90209711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11242609 + 547600 = 3353^2 + 740^2 .

It is a cyclic number.

It is not a de Polignac number, because 11790209 - 2¹² = 11786113 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11790409) 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, 5895104 + 5895105.

It is an arithmetic number, because the mean of its divisors is an integer number (5895105).

Almost surely, 2^11790209 is an apocalyptic number.

It is an amenable number.

11790209 is a deficient number, since it is larger than the sum of its proper divisors (1).

11790209 is an equidigital number, since it uses as much as digits as its factorization.

11790209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1134, while the sum is 29.

The square root of 11790209 is about 3433.6873765676. The cubic root of 11790209 is about 227.6008263782.

The spelling of 11790209 in words is "eleven million, seven hundred ninety thousand, two hundred nine".