18093307 has 2 divisors, whose sum is σ = 18093308. Its totient is φ = 18093306.

The previous prime is 18093293. The next prime is 18093331. The reversal of 18093307 is 70339081.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18093307 - 2²³ = 9704699 is a prime.

It is not a weakly prime, because it can be changed into another prime (18093337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9046653 + 9046654.

It is an arithmetic number, because the mean of its divisors is an integer number (9046654).

Almost surely, 2^18093307 is an apocalyptic number.

18093307 is a deficient number, since it is larger than the sum of its proper divisors (1).

18093307 is an equidigital number, since it uses as much as digits as its factorization.

18093307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 18093307 is about 4253.6228088536. The cubic root of 18093307 is about 262.5261990480.

The spelling of 18093307 in words is "eighteen million, ninety-three thousand, three hundred seven".