11312585 has 8 divisors (see below), whose sum is σ = 13831560. Its totient is φ = 8879104.

The previous prime is 11312557. The next prime is 11312603. The reversal of 11312585 is 58521311.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1459264 + 9853321 = 1208^2 + 3139^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 11312585 - 2¹² = 11308489 is a prime.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 21080 + ... + 21609.

It is an arithmetic number, because the mean of its divisors is an integer number (1728945).

Almost surely, 2^11312585 is an apocalyptic number.

It is an amenable number.

11312585 is a deficient number, since it is larger than the sum of its proper divisors (2518975).

11312585 is an equidigital number, since it uses as much as digits as its factorization.

11312585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42747.

The product of its digits is 1200, while the sum is 26.

The square root of 11312585 is about 3363.4186477452. The cubic root of 11312585 is about 224.4849784014.

Adding to 11312585 its reverse (58521311), we get a palindrome (69833896).

The spelling of 11312585 in words is "eleven million, three hundred twelve thousand, five hundred eighty-five".