18013067 has 4 divisors (see below), whose sum is σ = 18021696. Its totient is φ = 18004440.

The previous prime is 18013049. The next prime is 18013069. The reversal of 18013067 is 76031081.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 76031081 = 7 ⋅10861583.

It is a cyclic number.

It is not a de Polignac number, because 18013067 - 2⁶ = 18013003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18013069) 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 3 ways as a sum of consecutive naturals, for example, 998 + ... + 6084.

It is an arithmetic number, because the mean of its divisors is an integer number (4505424).

Almost surely, 2^18013067 is an apocalyptic number.

18013067 is a deficient number, since it is larger than the sum of its proper divisors (8629).

18013067 is an equidigital number, since it uses as much as digits as its factorization.

18013067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8628.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 18013067 is about 4244.1803684575. The cubic root of 18013067 is about 262.1375411698.

The spelling of 18013067 in words is "eighteen million, thirteen thousand, sixty-seven".