13818043 has 2 divisors, whose sum is σ = 13818044. Its totient is φ = 13818042.

The previous prime is 13818023. The next prime is 13818053. The reversal of 13818043 is 34081831.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13818043 - 2¹⁷ = 13686971 is a prime.

It is not a weakly prime, because it can be changed into another prime (13818023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6909021 + 6909022.

It is an arithmetic number, because the mean of its divisors is an integer number (6909022).

Almost surely, 2^13818043 is an apocalyptic number.

13818043 is a deficient number, since it is larger than the sum of its proper divisors (1).

13818043 is an equidigital number, since it uses as much as digits as its factorization.

13818043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 13818043 is about 3717.2628370886. The cubic root of 13818043 is about 239.9655216675.

Adding to 13818043 its reverse (34081831), we get a palindrome (47899874).

It can be divided in two parts, 138 and 18043, that added together give a palindrome (18181).

The spelling of 13818043 in words is "thirteen million, eight hundred eighteen thousand, forty-three".