11220986 has 16 divisors (see below), whose sum is σ = 20367936. Its totient is φ = 4526016.

The previous prime is 11220931. The next prime is 11220991. The reversal of 11220986 is 68902211.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23336 + ... + 23811.

It is an arithmetic number, because the mean of its divisors is an integer number (1272996).

Almost surely, 2^11220986 is an apocalyptic number.

11220986 is a deficient number, since it is larger than the sum of its proper divisors (9146950).

11220986 is a wasteful number, since it uses less digits than its factorization.

11220986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47173.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 11220986 is about 3349.7740222290. The cubic root of 11220986 is about 223.8774441196.

The spelling of 11220986 in words is "eleven million, two hundred twenty thousand, nine hundred eighty-six".