11852857 has 2 divisors, whose sum is σ = 11852858. Its totient is φ = 11852856.

The previous prime is 11852837. The next prime is 11852873. The reversal of 11852857 is 75825811.

11852857 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6817321 + 5035536 = 2611^2 + 2244^2 .

It is a cyclic number.

It is not a de Polignac number, because 11852857 - 2¹⁵ = 11820089 is a prime.

It is not a weakly prime, because it can be changed into another prime (11852807) 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 as a sum of consecutive naturals, namely, 5926428 + 5926429.

It is an arithmetic number, because the mean of its divisors is an integer number (5926429).

Almost surely, 2^11852857 is an apocalyptic number.

It is an amenable number.

11852857 is a deficient number, since it is larger than the sum of its proper divisors (1).

11852857 is an equidigital number, since it uses as much as digits as its factorization.

11852857 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22400, while the sum is 37.

The square root of 11852857 is about 3442.7978447768. The cubic root of 11852857 is about 228.0032381299.

It can be divided in two parts, 118 and 52857, that added together give a triangular number (52975 = T₃₂₅).

The spelling of 11852857 in words is "eleven million, eight hundred fifty-two thousand, eight hundred fifty-seven".