11906863 has 6 divisors (see below), whose sum is σ = 12566904. Its totient is φ = 11279844.

The previous prime is 11906861. The next prime is 11906891. The reversal of 11906863 is 36860911.

It is not a de Polignac number, because 11906863 - 2¹ = 11906861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11906861) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16131 + ... + 16852.

It is an arithmetic number, because the mean of its divisors is an integer number (2094484).

Almost surely, 2^11906863 is an apocalyptic number.

11906863 is a deficient number, since it is larger than the sum of its proper divisors (660041).

11906863 is an equidigital number, since it uses as much as digits as its factorization.

11906863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33021 (or 33002 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 11906863 is about 3450.6322609052. The cubic root of 11906863 is about 228.3490025418.

It can be divided in two parts, 11906 and 863, that added together give a square (12769 = 113²).

The spelling of 11906863 in words is "eleven million, nine hundred six thousand, eight hundred sixty-three".