11789447 has 2 divisors, whose sum is σ = 11789448. Its totient is φ = 11789446.

The previous prime is 11789429. The next prime is 11789461. The reversal of 11789447 is 74498711.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11789447 - 2⁶ = 11789383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11789467) 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, 5894723 + 5894724.

It is an arithmetic number, because the mean of its divisors is an integer number (5894724).

Almost surely, 2^11789447 is an apocalyptic number.

11789447 is a deficient number, since it is larger than the sum of its proper divisors (1).

11789447 is an equidigital number, since it uses as much as digits as its factorization.

11789447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 56448, while the sum is 41.

The square root of 11789447 is about 3433.5764153430. The cubic root of 11789447 is about 227.5959229999.

The spelling of 11789447 in words is "eleven million, seven hundred eighty-nine thousand, four hundred forty-seven".