18713914 has 8 divisors (see below), whose sum is σ = 28100340. Its totient is φ = 9347136.

The previous prime is 18713911. The next prime is 18713921. The reversal of 18713914 is 41931781.

It can be written as a sum of positive squares in 2 ways, for example, as 18020025 + 693889 = 4245^2 + 833^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 18713914.

It is not an unprimeable number, because it can be changed into a prime (18713911) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2239 + ... + 6514.

Almost surely, 2^18713914 is an apocalyptic number.

18713914 is a deficient number, since it is larger than the sum of its proper divisors (9386426).

18713914 is a wasteful number, since it uses less digits than its factorization.

18713914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9824.

The product of its digits is 6048, while the sum is 34.

The square root of 18713914 is about 4325.9581597607. The cubic root of 18713914 is about 265.4941012991.

The spelling of 18713914 in words is "eighteen million, seven hundred thirteen thousand, nine hundred fourteen".