11945786 has 8 divisors (see below), whose sum is σ = 18697824. Its totient is φ = 5713180.

The previous prime is 11945753. The next prime is 11945797. The reversal of 11945786 is 68754911.

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 (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129800 + ... + 129891.

It is an arithmetic number, because the mean of its divisors is an integer number (2337228).

Almost surely, 2^11945786 is an apocalyptic number.

11945786 is a deficient number, since it is larger than the sum of its proper divisors (6752038).

11945786 is a wasteful number, since it uses less digits than its factorization.

11945786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259716.

The product of its digits is 60480, while the sum is 41.

The square root of 11945786 is about 3456.2676400996. The cubic root of 11945786 is about 228.5975527804.

The spelling of 11945786 in words is "eleven million, nine hundred forty-five thousand, seven hundred eighty-six".