18813914 has 16 divisors (see below), whose sum is σ = 33950400. Its totient is φ = 7638624.

The previous prime is 18813913. The next prime is 18813941. The reversal of 18813914 is 41931881.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (18813913) 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, 35099 + ... + 35630.

It is an arithmetic number, because the mean of its divisors is an integer number (2121900).

Almost surely, 2^18813914 is an apocalyptic number.

18813914 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

18813914 is a deficient number, since it is larger than the sum of its proper divisors (15136486).

18813914 is a wasteful number, since it uses less digits than its factorization.

18813914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70757.

The product of its digits is 6912, while the sum is 35.

The square root of 18813914 is about 4337.5008933717. The cubic root of 18813914 is about 265.9661611089.

The spelling of 18813914 in words is "eighteen million, eight hundred thirteen thousand, nine hundred fourteen".