18274127 has 2 divisors, whose sum is σ = 18274128. Its totient is φ = 18274126.

The previous prime is 18274111. The next prime is 18274169. The reversal of 18274127 is 72147281.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18274127 - 2⁴ = 18274111 is a prime.

It is a super-2 number, since 2×18274127² = 667887435224258, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 18274093 and 18274102.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18274187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9137063 + 9137064.

It is an arithmetic number, because the mean of its divisors is an integer number (9137064).

Almost surely, 2^18274127 is an apocalyptic number.

18274127 is a deficient number, since it is larger than the sum of its proper divisors (1).

18274127 is an equidigital number, since it uses as much as digits as its factorization.

18274127 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6272, while the sum is 32.

The square root of 18274127 is about 4274.8247917312. The cubic root of 18274127 is about 263.3978422671.

The spelling of 18274127 in words is "eighteen million, two hundred seventy-four thousand, one hundred twenty-seven".