18714505 has 8 divisors (see below), whose sum is σ = 22838400. Its totient is φ = 14717616.

The previous prime is 18714473. The next prime is 18714517. The reversal of 18714505 is 50541781.

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

It is a cyclic number.

It is not a de Polignac number, because 18714505 - 2⁵ = 18714473 is a prime.

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, 31425 + ... + 32014.

It is an arithmetic number, because the mean of its divisors is an integer number (2854800).

Almost surely, 2^18714505 is an apocalyptic number.

It is an amenable number.

18714505 is a deficient number, since it is larger than the sum of its proper divisors (4123895).

18714505 is an equidigital number, since it uses as much as digits as its factorization.

18714505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63503.

The product of its (nonzero) digits is 5600, while the sum is 31.

The square root of 18714505 is about 4326.0264677877. The cubic root of 18714505 is about 265.4968961066.

The spelling of 18714505 in words is "eighteen million, seven hundred fourteen thousand, five hundred five".