18341307 has 12 divisors (see below), whose sum is σ = 27209520. Its totient is φ = 11896848.

The previous prime is 18341299. The next prime is 18341329. The reversal of 18341307 is 70314381.

18341307 is a `hidden beast` number, since 18 + 341 + 307 = 666.

It is not a de Polignac number, because 18341307 - 2³ = 18341299 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18341347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27207 + ... + 27872.

It is an arithmetic number, because the mean of its divisors is an integer number (2267460).

Almost surely, 2^18341307 is an apocalyptic number.

18341307 is a deficient number, since it is larger than the sum of its proper divisors (8868213).

18341307 is a wasteful number, since it uses less digits than its factorization.

18341307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55122 (or 55119 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 18341307 is about 4282.6752153298. The cubic root of 18341307 is about 263.7202184053.

Adding to 18341307 its reverse (70314381), we get a palindrome (88655688).

The spelling of 18341307 in words is "eighteen million, three hundred forty-one thousand, three hundred seven".