18038127 has 16 divisors (see below), whose sum is σ = 24606560. Its totient is φ = 11750400.

The previous prime is 18038123. The next prime is 18038131. The reversal of 18038127 is 72183081.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (18038123) and next prime (18038131).

It is not a de Polignac number, because 18038127 - 2² = 18038123 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18038094 and 18038103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18038123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43899 + ... + 44307.

It is an arithmetic number, because the mean of its divisors is an integer number (1537910).

Almost surely, 2^18038127 is an apocalyptic number.

18038127 is a deficient number, since it is larger than the sum of its proper divisors (6568433).

18038127 is a wasteful number, since it uses less digits than its factorization.

18038127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714.

The product of its (nonzero) digits is 2688, while the sum is 30.

The square root of 18038127 is about 4247.1316202821. The cubic root of 18038127 is about 262.2590478288.

The spelling of 18038127 in words is "eighteen million, thirty-eight thousand, one hundred twenty-seven".