18854113 has 4 divisors (see below), whose sum is σ = 18904240. Its totient is φ = 18803988.

The previous prime is 18854093. The next prime is 18854117. The reversal of 18854113 is 31145881.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 18854113 - 2¹³ = 18845921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18854117) 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, 24495 + ... + 25252.

It is an arithmetic number, because the mean of its divisors is an integer number (4726060).

Almost surely, 2^18854113 is an apocalyptic number.

It is an amenable number.

18854113 is a deficient number, since it is larger than the sum of its proper divisors (50127).

18854113 is an equidigital number, since it uses as much as digits as its factorization.

18854113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50126.

The product of its digits is 3840, while the sum is 31.

The square root of 18854113 is about 4342.1323102826. The cubic root of 18854113 is about 266.1554530690.

Adding to 18854113 its reverse (31145881), we get a palindrome (49999994).

The spelling of 18854113 in words is "eighteen million, eight hundred fifty-four thousand, one hundred thirteen".