18114047 has 8 divisors (see below), whose sum is σ = 20907552. Its totient is φ = 15372000.

The previous prime is 18114043. The next prime is 18114077. The reversal of 18114047 is 74041181.

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

It is not a de Polignac number, because 18114047 - 2² = 18114043 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18114043) 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, 12104 + ... + 13517.

It is an arithmetic number, because the mean of its divisors is an integer number (2613444).

Almost surely, 2^18114047 is an apocalyptic number.

18114047 is a deficient number, since it is larger than the sum of its proper divisors (2793505).

18114047 is a wasteful number, since it uses less digits than its factorization.

18114047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25729.

The product of its (nonzero) digits is 896, while the sum is 26.

The square root of 18114047 is about 4256.0600324713. The cubic root of 18114047 is about 262.6264702748.

The spelling of 18114047 in words is "eighteen million, one hundred fourteen thousand, forty-seven".