18014099 has 4 divisors (see below), whose sum is σ = 18056136. Its totient is φ = 17972064.

The previous prime is 18014081. The next prime is 18014107. The reversal of 18014099 is 99041081.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99041081 = 593 ⋅167017.

It is a cyclic number.

It is not a de Polignac number, because 18014099 - 2²⁴ = 1236883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18014599) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20369 + ... + 21234.

It is an arithmetic number, because the mean of its divisors is an integer number (4514034).

Almost surely, 2^18014099 is an apocalyptic number.

18014099 is a deficient number, since it is larger than the sum of its proper divisors (42037).

18014099 is an equidigital number, since it uses as much as digits as its factorization.

18014099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42036.

The product of its (nonzero) digits is 2592, while the sum is 32.

The square root of 18014099 is about 4244.3019449610. The cubic root of 18014099 is about 262.1425471798.

The spelling of 18014099 in words is "eighteen million, fourteen thousand, ninety-nine".