11587745 has 24 divisors (see below), whose sum is σ = 15700776. Its totient is φ = 8160768.

The previous prime is 11587721. The next prime is 11587753. The reversal of 11587745 is 54778511.

It is a happy number.

11587745 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 529 + 11587216 = 23^2 + 3404^2 .

It is a de Polignac number, because none of the positive numbers 2^k-11587745 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11587699 and 11587708.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34217 + ... + 34553.

It is an arithmetic number, because the mean of its divisors is an integer number (654199).

Almost surely, 2^11587745 is an apocalyptic number.

It is an amenable number.

11587745 is a deficient number, since it is larger than the sum of its proper divisors (4113031).

11587745 is a wasteful number, since it uses less digits than its factorization.

11587745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401 (or 378 counting only the distinct ones).

The product of its digits is 39200, while the sum is 38.

The square root of 11587745 is about 3404.0777018159. The cubic root of 11587745 is about 226.2904936526.

The spelling of 11587745 in words is "eleven million, five hundred eighty-seven thousand, seven hundred forty-five".