11745745 has 24 divisors (see below), whose sum is σ = 16065792. Its totient is φ = 8167200.

The previous prime is 11745719. The next prime is 11745749. The reversal of 11745745 is 54754711.

11745745 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11745745 - 2¹³ = 11737553 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 11745745.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11745749) 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 in 23 ways as a sum of consecutive naturals, for example, 141474 + ... + 141556.

It is an arithmetic number, because the mean of its divisors is an integer number (669408).

Almost surely, 2^11745745 is an apocalyptic number.

It is an amenable number.

11745745 is a deficient number, since it is larger than the sum of its proper divisors (4320047).

11745745 is an equidigital number, since it uses as much as digits as its factorization.

11745745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213 (or 130 counting only the distinct ones).

The product of its digits is 19600, while the sum is 34.

The square root of 11745745 is about 3427.2065884624. The cubic root of 11745745 is about 227.3143516246.

The spelling of 11745745 in words is "eleven million, seven hundred forty-five thousand, seven hundred forty-five".