11308986 has 48 divisors (see below), whose sum is σ = 27256320. Its totient is φ = 3365280.

The previous prime is 11308909. The next prime is 11308991. The reversal of 11308986 is 68980311.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 11308986.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6475 + ... + 8033.

It is an arithmetic number, because the mean of its divisors is an integer number (567840).

Almost surely, 2^11308986 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11308986, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13628160).

11308986 is an abundant number, since it is smaller than the sum of its proper divisors (15947334).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11308986 is a wasteful number, since it uses less digits than its factorization.

11308986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1611 (or 1608 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 11308986 is about 3362.8835840689. The cubic root of 11308986 is about 224.4611698988.

The spelling of 11308986 in words is "eleven million, three hundred eight thousand, nine hundred eighty-six".