11869418 has 16 divisors (see below), whose sum is σ = 19897920. Its totient is φ = 5263200.

The previous prime is 11869409. The next prime is 11869421. The reversal of 11869418 is 81496811.

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 7 ways as a sum of consecutive naturals, for example, 5678 + ... + 7481.

It is an arithmetic number, because the mean of its divisors is an integer number (1243620).

Almost surely, 2^11869418 is an apocalyptic number.

11869418 is a deficient number, since it is larger than the sum of its proper divisors (8028502).

11869418 is a wasteful number, since it uses less digits than its factorization.

11869418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13213.

The product of its digits is 13824, while the sum is 38.

The square root of 11869418 is about 3445.2021711360. The cubic root of 11869418 is about 228.1093786263.

The spelling of 11869418 in words is "eleven million, eight hundred sixty-nine thousand, four hundred eighteen".