18053707 has 6 divisors (see below), whose sum is σ = 21001308. Its totient is φ = 15474564.

The previous prime is 18053701. The next prime is 18053713. The reversal of 18053707 is 70735081.

It is an interprime number because it is at equal distance from previous prime (18053701) and next prime (18053713).

It is not a de Polignac number, because 18053707 - 2³ = 18053699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18053701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 184173 + ... + 184270.

It is an arithmetic number, because the mean of its divisors is an integer number (3500218).

Almost surely, 2^18053707 is an apocalyptic number.

18053707 is a deficient number, since it is larger than the sum of its proper divisors (2947601).

18053707 is an equidigital number, since it uses as much as digits as its factorization.

18053707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368457 (or 368450 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 31.

The square root of 18053707 is about 4248.9654034835. The cubic root of 18053707 is about 262.3345327564.

Adding to 18053707 its reverse (70735081), we get a palindrome (88788788).

The spelling of 18053707 in words is "eighteen million, fifty-three thousand, seven hundred seven".