11918814 has 16 divisors (see below), whose sum is σ = 25092480. Its totient is φ = 3763800.

The previous prime is 11918813. The next prime is 11918821. The reversal of 11918814 is 41881911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11918813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52162 + ... + 52389.

It is an arithmetic number, because the mean of its divisors is an integer number (1568280).

Almost surely, 2^11918814 is an apocalyptic number.

11918814 is an abundant number, since it is smaller than the sum of its proper divisors (13173666).

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

11918814 is a wasteful number, since it uses less digits than its factorization.

11918814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104575.

The product of its digits is 2304, while the sum is 33.

The square root of 11918814 is about 3452.3635382155. The cubic root of 11918814 is about 228.4253754817.

The spelling of 11918814 in words is "eleven million, nine hundred eighteen thousand, eight hundred fourteen".