11386857 has 4 divisors (see below), whose sum is σ = 15182480. Its totient is φ = 7591236.

The previous prime is 11386849. The next prime is 11386867. The reversal of 11386857 is 75868311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 11386857 - 2³ = 11386849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11386867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1897807 + ... + 1897812.

It is an arithmetic number, because the mean of its divisors is an integer number (3795620).

Almost surely, 2^11386857 is an apocalyptic number.

It is an amenable number.

11386857 is a deficient number, since it is larger than the sum of its proper divisors (3795623).

11386857 is an equidigital number, since it uses as much as digits as its factorization.

11386857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3795622.

The product of its digits is 40320, while the sum is 39.

The square root of 11386857 is about 3374.4417316054. The cubic root of 11386857 is about 224.9751873873.

The spelling of 11386857 in words is "eleven million, three hundred eighty-six thousand, eight hundred fifty-seven".