11231866 has 32 divisors (see below), whose sum is σ = 19035648. Its totient is φ = 4942080.

The previous prime is 11231863. The next prime is 11231879. The reversal of 11231866 is 66813211.

It is not an unprimeable number, because it can be changed into a prime (11231863) 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 15 ways as a sum of consecutive naturals, for example, 41311 + ... + 41581.

It is an arithmetic number, because the mean of its divisors is an integer number (594864).

Almost surely, 2^11231866 is an apocalyptic number.

11231866 is a deficient number, since it is larger than the sum of its proper divisors (7803782).

11231866 is a wasteful number, since it uses less digits than its factorization.

11231866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366.

The product of its digits is 1728, while the sum is 28.

The square root of 11231866 is about 3351.3976189047. The cubic root of 11231866 is about 223.9497788134.

The spelling of 11231866 in words is "eleven million, two hundred thirty-one thousand, eight hundred sixty-six".