11386863 has 12 divisors (see below), whose sum is σ = 17163120. Its totient is φ = 7261056.

The previous prime is 11386849. The next prime is 11386867. The reversal of 11386863 is 36868311.

It is not a de Polignac number, because 11386863 - 2⁶ = 11386799 is a prime.

It is a nialpdrome in base 15.

It is a congruent 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 (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27298 + ... + 27711.

It is an arithmetic number, because the mean of its divisors is an integer number (1430260).

Almost surely, 2^11386863 is an apocalyptic number.

11386863 is a deficient number, since it is larger than the sum of its proper divisors (5776257).

11386863 is a wasteful number, since it uses less digits than its factorization.

11386863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55038 (or 55035 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 11386863 is about 3374.4426206412. The cubic root of 11386863 is about 224.9752269021.

It can be divided in two parts, 1138 and 6863, that added together give a triangular number (8001 = T₁₂₆).

The spelling of 11386863 in words is "eleven million, three hundred eighty-six thousand, eight hundred sixty-three".