11986158 has 8 divisors (see below), whose sum is σ = 23972328. Its totient is φ = 3995384.

The previous prime is 11986157. The next prime is 11986159. The reversal of 11986158 is 85168911.

It is an interprime number because it is at equal distance from previous prime (11986157) and next prime (11986159).

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

11986158 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11986153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 998841 + ... + 998852.

It is an arithmetic number, because the mean of its divisors is an integer number (2996541).

Almost surely, 2^11986158 is an apocalyptic number.

11986158 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11986158 is a wasteful number, since it uses less digits than its factorization.

11986158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1997698.

The product of its digits is 17280, while the sum is 39.

The square root of 11986158 is about 3462.1031180483. The cubic root of 11986158 is about 228.8547861167.

The spelling of 11986158 in words is "eleven million, nine hundred eighty-six thousand, one hundred fifty-eight".