11982918 has 16 divisors (see below), whose sum is σ = 24111360. Its totient is φ = 3970056.

The previous prime is 11982913. The next prime is 11982941. The reversal of 11982918 is 81928911.

11982918 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11982911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4978 + ... + 6981.

It is an arithmetic number, because the mean of its divisors is an integer number (1506960).

Almost surely, 2^11982918 is an apocalyptic number.

11982918 is an abundant number, since it is smaller than the sum of its proper divisors (12128442).

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

11982918 is a wasteful number, since it uses less digits than its factorization.

11982918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12131.

The product of its digits is 10368, while the sum is 39.

The square root of 11982918 is about 3461.6351627518. The cubic root of 11982918 is about 228.8341635417.

The spelling of 11982918 in words is "eleven million, nine hundred eighty-two thousand, nine hundred eighteen".