11961318 has 8 divisors (see below), whose sum is σ = 23922648. Its totient is φ = 3987104.

The previous prime is 11961289. The next prime is 11961343. The reversal of 11961318 is 81316911.

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

11961318 is an admirable number.

It is a congruent number.

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, 996771 + ... + 996782.

It is an arithmetic number, because the mean of its divisors is an integer number (2990331).

Almost surely, 2^11961318 is an apocalyptic number.

11961318 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.

11961318 is a wasteful number, since it uses less digits than its factorization.

11961318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1993558.

The product of its digits is 1296, while the sum is 30.

The square root of 11961318 is about 3458.5138426787. The cubic root of 11961318 is about 228.6965846195.

The spelling of 11961318 in words is "eleven million, nine hundred sixty-one thousand, three hundred eighteen".