18247107 has 8 divisors (see below), whose sum is σ = 24742080. Its totient is φ = 11958440.

The previous prime is 18247067. The next prime is 18247109. The reversal of 18247107 is 70174281.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 18247107 - 2⁶ = 18247043 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18247109) 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 7 ways as a sum of consecutive naturals, for example, 51369 + ... + 51722.

It is an arithmetic number, because the mean of its divisors is an integer number (3092760).

Almost surely, 2^18247107 is an apocalyptic number.

18247107 is a deficient number, since it is larger than the sum of its proper divisors (6494973).

18247107 is a wasteful number, since it uses less digits than its factorization.

18247107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103153.

The product of its (nonzero) digits is 3136, while the sum is 30.

The square root of 18247107 is about 4271.6632592001. The cubic root of 18247107 is about 263.2679588112.

The spelling of 18247107 in words is "eighteen million, two hundred forty-seven thousand, one hundred seven".