18826103 has 2 divisors, whose sum is σ = 18826104. Its totient is φ = 18826102.

The previous prime is 18826091. The next prime is 18826111. The reversal of 18826103 is 30162881.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 18826103 - 2⁶ = 18826039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18826163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9413051 + 9413052.

It is an arithmetic number, because the mean of its divisors is an integer number (9413052).

Almost surely, 2^18826103 is an apocalyptic number.

18826103 is a deficient number, since it is larger than the sum of its proper divisors (1).

18826103 is an equidigital number, since it uses as much as digits as its factorization.

18826103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 18826103 is about 4338.9057376256. The cubic root of 18826103 is about 266.0235860142.

Adding to 18826103 its reverse (30162881), we get a palindrome (48988984).

The spelling of 18826103 in words is "eighteen million, eight hundred twenty-six thousand, one hundred three".