11852851 has 4 divisors (see below), whose sum is σ = 12261600. Its totient is φ = 11444104.

The previous prime is 11852837. The next prime is 11852857. The reversal of 11852851 is 15825811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15825811 = 421 ⋅37591.

It is a cyclic number.

It is not a de Polignac number, because 11852851 - 2⁹ = 11852339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11852857) 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 3 ways as a sum of consecutive naturals, for example, 204331 + ... + 204388.

It is an arithmetic number, because the mean of its divisors is an integer number (3065400).

Almost surely, 2^11852851 is an apocalyptic number.

11852851 is a deficient number, since it is larger than the sum of its proper divisors (408749).

11852851 is an equidigital number, since it uses as much as digits as its factorization.

11852851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408748.

The product of its digits is 3200, while the sum is 31.

The square root of 11852851 is about 3442.7969733924. The cubic root of 11852851 is about 228.0031996576.

The spelling of 11852851 in words is "eleven million, eight hundred fifty-two thousand, eight hundred fifty-one".