11802986 has 8 divisors (see below), whose sum is σ = 19066404. Its totient is φ = 5447520.

The previous prime is 11802977. The next prime is 11802991. The reversal of 11802986 is 68920811.

It can be written as a sum of positive squares in 2 ways, for example, as 11730625 + 72361 = 3425^2 + 269^2 .

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 226955 + ... + 227006.

Almost surely, 2^11802986 is an apocalyptic number.

11802986 is a deficient number, since it is larger than the sum of its proper divisors (7263418).

11802986 is a wasteful number, since it uses less digits than its factorization.

11802986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453976.

The product of its (nonzero) digits is 6912, while the sum is 35.

The square root of 11802986 is about 3435.5474090747. The cubic root of 11802986 is about 227.6830133835.

The spelling of 11802986 in words is "eleven million, eight hundred two thousand, nine hundred eighty-six".