11993086 has 8 divisors (see below), whose sum is σ = 20559600. Its totient is φ = 5139888.

The previous prime is 11993083. The next prime is 11993099. The reversal of 11993086 is 68039911.

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

It is a super-2 number, since 2×11993086² = 287668223606792, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11993083) 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, 428311 + ... + 428338.

It is an arithmetic number, because the mean of its divisors is an integer number (2569950).

Almost surely, 2^11993086 is an apocalyptic number.

11993086 is a deficient number, since it is larger than the sum of its proper divisors (8566514).

11993086 is an equidigital number, since it uses as much as digits as its factorization.

11993086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856658.

The product of its (nonzero) digits is 11664, while the sum is 37.

The square root of 11993086 is about 3463.1035214097. The cubic root of 11993086 is about 228.8988703174.

The spelling of 11993086 in words is "eleven million, nine hundred ninety-three thousand, eighty-six".