11249986 has 32 divisors (see below), whose sum is σ = 19123776. Its totient is φ = 4920000.

The previous prime is 11249981. The next prime is 11250007. The reversal of 11249986 is 68994211.

It is not an unprimeable number, because it can be changed into a prime (11249981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111336 + ... + 111436.

It is an arithmetic number, because the mean of its divisors is an integer number (597618).

Almost surely, 2^11249986 is an apocalyptic number.

11249986 is a deficient number, since it is larger than the sum of its proper divisors (7873790).

11249986 is a wasteful number, since it uses less digits than its factorization.

11249986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258.

The product of its digits is 31104, while the sum is 40.

The square root of 11249986 is about 3354.0998792523. The cubic root of 11249986 is about 224.0701443802.

The spelling of 11249986 in words is "eleven million, two hundred forty-nine thousand, nine hundred eighty-six".