18794107 has 4 divisors (see below), whose sum is σ = 18966640. Its totient is φ = 18621576.

The previous prime is 18794093. The next prime is 18794119. The reversal of 18794107 is 70149781.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70149781 = 13 ⋅5396137.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18794107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18791107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86103 + ... + 86320.

It is an arithmetic number, because the mean of its divisors is an integer number (4741660).

Almost surely, 2^18794107 is an apocalyptic number.

18794107 is a deficient number, since it is larger than the sum of its proper divisors (172533).

18794107 is a wasteful number, since it uses less digits than its factorization.

18794107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172532.

The product of its (nonzero) digits is 14112, while the sum is 37.

The square root of 18794107 is about 4335.2170649230. The cubic root of 18794107 is about 265.8727933046.

The spelling of 18794107 in words is "eighteen million, seven hundred ninety-four thousand, one hundred seven".