11789147 has 4 divisors (see below), whose sum is σ = 11800080. Its totient is φ = 11778216.

The previous prime is 11789137. The next prime is 11789159. The reversal of 11789147 is 74198711.

It is a happy number.

11789147 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 74198711 = 1471 ⋅50441.

It is a cyclic number.

It is not a de Polignac number, because 11789147 - 2⁴ = 11789131 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11789147.

It is not an unprimeable number, because it can be changed into a prime (11789137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3647 + ... + 6072.

It is an arithmetic number, because the mean of its divisors is an integer number (2950020).

Almost surely, 2^11789147 is an apocalyptic number.

11789147 is a deficient number, since it is larger than the sum of its proper divisors (10933).

11789147 is an equidigital number, since it uses as much as digits as its factorization.

11789147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10932.

The product of its digits is 14112, while the sum is 38.

The square root of 11789147 is about 3433.5327288377. The cubic root of 11789147 is about 227.5939924780.

The spelling of 11789147 in words is "eleven million, seven hundred eighty-nine thousand, one hundred forty-seven".