12775585 has 8 divisors (see below), whose sum is σ = 16232616. Its totient is φ = 9619200.

The previous prime is 12775583. The next prime is 12775589. The reversal of 12775585 is 58557721.

It can be written as a sum of positive squares in 4 ways, for example, as 720801 + 12054784 = 849^2 + 3472^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12775585 - 2¹ = 12775583 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12775583) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75066 + ... + 75235.

It is an arithmetic number, because the mean of its divisors is an integer number (2029077).

Almost surely, 2^12775585 is an apocalyptic number.

It is an amenable number.

12775585 is a deficient number, since it is larger than the sum of its proper divisors (3457031).

12775585 is a wasteful number, since it uses less digits than its factorization.

12775585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150323.

The product of its digits is 98000, while the sum is 40.

The square root of 12775585 is about 3574.2950353881. The cubic root of 12775585 is about 233.7725954498.

The spelling of 12775585 in words is "twelve million, seven hundred seventy-five thousand, five hundred eighty-five".