18127030 has 16 divisors (see below), whose sum is σ = 33754320. Its totient is φ = 7000672.

The previous prime is 18127019. The next prime is 18127061. The reversal of 18127030 is 3072181.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 18126992 and 18127010.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30964 + ... + 31543.

It is an arithmetic number, because the mean of its divisors is an integer number (2109645).

Almost surely, 2^18127030 is an apocalyptic number.

18127030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18127030 is a deficient number, since it is larger than the sum of its proper divisors (15627290).

18127030 is a wasteful number, since it uses less digits than its factorization.

18127030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62543.

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 18127030 is about 4257.5849962156. The cubic root of 18127030 is about 262.6891999559.

The spelling of 18127030 in words is "eighteen million, one hundred twenty-seven thousand, thirty".