18127097 has 4 divisors (see below), whose sum is σ = 18247296. Its totient is φ = 18006900.

The previous prime is 18127093. The next prime is 18127111. The reversal of 18127097 is 79072181.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 79072181 = 283 ⋅279407.

It is a cyclic number.

It is not a de Polignac number, because 18127097 - 2² = 18127093 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18127093) 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, 59873 + ... + 60174.

It is an arithmetic number, because the mean of its divisors is an integer number (4561824).

Almost surely, 2^18127097 is an apocalyptic number.

It is an amenable number.

18127097 is a deficient number, since it is larger than the sum of its proper divisors (120199).

18127097 is a wasteful number, since it uses less digits than its factorization.

18127097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120198.

The product of its (nonzero) digits is 7056, while the sum is 35.

The square root of 18127097 is about 4257.5928645186. The cubic root of 18127097 is about 262.6895236007.

The spelling of 18127097 in words is "eighteen million, one hundred twenty-seven thousand, ninety-seven".