13894018 has 16 divisors (see below), whose sum is σ = 21504960. Its totient is φ = 6727536.

The previous prime is 13894009. The next prime is 13894019. The reversal of 13894018 is 81049831.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (13894019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26305 + ... + 26827.

It is an arithmetic number, because the mean of its divisors is an integer number (1344060).

Almost surely, 2^13894018 is an apocalyptic number.

13894018 is a deficient number, since it is larger than the sum of its proper divisors (7610942).

13894018 is a wasteful number, since it uses less digits than its factorization.

13894018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 921.

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 13894018 is about 3727.4680414458. The cubic root of 13894018 is about 240.4045145760.

The spelling of 13894018 in words is "thirteen million, eight hundred ninety-four thousand, eighteen".