11889318 has 16 divisors (see below), whose sum is σ = 27175680. Its totient is φ = 3396936.

The previous prime is 11889313. The next prime is 11889323. The reversal of 11889318 is 81398811.

It is an interprime number because it is at equal distance from previous prime (11889313) and next prime (11889323).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11889313) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 141498 + ... + 141581.

It is an arithmetic number, because the mean of its divisors is an integer number (1698480).

Almost surely, 2^11889318 is an apocalyptic number.

11889318 is an abundant number, since it is smaller than the sum of its proper divisors (15286362).

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

11889318 is a wasteful number, since it uses less digits than its factorization.

11889318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283091.

The product of its digits is 13824, while the sum is 39.

The square root of 11889318 is about 3448.0890359734. The cubic root of 11889318 is about 228.2367884713.

The spelling of 11889318 in words is "eleven million, eight hundred eighty-nine thousand, three hundred eighteen".