11231986 has 8 divisors (see below), whose sum is σ = 16892460. Its totient is φ = 5601168.

The previous prime is 11231959. The next prime is 11231989. The reversal of 11231986 is 68913211.

It can be written as a sum of positive squares in 2 ways, for example, as 11015761 + 216225 = 3319^2 + 465^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (11231989) 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 3 ways as a sum of consecutive naturals, for example, 6441 + ... + 7996.

Almost surely, 2^11231986 is an apocalyptic number.

11231986 is a deficient number, since it is larger than the sum of its proper divisors (5660474).

11231986 is a wasteful number, since it uses less digits than its factorization.

11231986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14828.

The product of its digits is 2592, while the sum is 31.

The square root of 11231986 is about 3351.4155218355. The cubic root of 11231986 is about 223.9505763621.

The spelling of 11231986 in words is "eleven million, two hundred thirty-one thousand, nine hundred eighty-six".