11852585 has 4 divisors (see below), whose sum is σ = 14223108. Its totient is φ = 9482064.

The previous prime is 11852579. The next prime is 11852591. The reversal of 11852585 is 58525811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58525811 = 139 ⋅421049.

It is an interprime number because it is at equal distance from previous prime (11852579) and next prime (11852591).

It can be written as a sum of positive squares in 2 ways, for example, as 2446096 + 9406489 = 1564^2 + 3067^2 .

It is a cyclic number.

It is not a de Polignac number, because 11852585 - 2¹² = 11848489 is a prime.

It is a Duffinian number.

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 3 ways as a sum of consecutive naturals, for example, 1185254 + ... + 1185263.

It is an arithmetic number, because the mean of its divisors is an integer number (3555777).

Almost surely, 2^11852585 is an apocalyptic number.

It is an amenable number.

11852585 is a deficient number, since it is larger than the sum of its proper divisors (2370523).

11852585 is an equidigital number, since it uses as much as digits as its factorization.

11852585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2370522.

The product of its digits is 16000, while the sum is 35.

The square root of 11852585 is about 3442.7583417951. The cubic root of 11852585 is about 228.0014940397.

The spelling of 11852585 in words is "eleven million, eight hundred fifty-two thousand, five hundred eighty-five".