11745889 has 2 divisors, whose sum is σ = 11745890. Its totient is φ = 11745888.

The previous prime is 11745887. The next prime is 11745901. The reversal of 11745889 is 98854711.

It is a happy number.

11745889 is digitally balanced in base 2, 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., 11424400 + 321489 = 3380^2 + 567^2 .

It is a cyclic number.

It is not a de Polignac number, because 11745889 - 2¹ = 11745887 is a prime.

Together with 11745887, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (11745887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5872944 + 5872945.

It is an arithmetic number, because the mean of its divisors is an integer number (5872945).

Almost surely, 2^11745889 is an apocalyptic number.

It is an amenable number.

11745889 is a deficient number, since it is larger than the sum of its proper divisors (1).

11745889 is an equidigital number, since it uses as much as digits as its factorization.

11745889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 80640, while the sum is 43.

The square root of 11745889 is about 3427.2275967610. The cubic root of 11745889 is about 227.3152805605.

The spelling of 11745889 in words is "eleven million, seven hundred forty-five thousand, eight hundred eighty-nine".