13818141 has 16 divisors (see below), whose sum is σ = 20908800. Its totient is φ = 9015264.

The previous prime is 13818139. The next prime is 13818143. The reversal of 13818141 is 14181831.

It is an interprime number because it is at equal distance from previous prime (13818139) and next prime (13818143).

It is not a de Polignac number, because 13818141 - 2¹ = 13818139 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13818143) 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 15 ways as a sum of consecutive naturals, for example, 4176 + ... + 6713.

It is an arithmetic number, because the mean of its divisors is an integer number (1306800).

Almost surely, 2^13818141 is an apocalyptic number.

It is an amenable number.

13818141 is a deficient number, since it is larger than the sum of its proper divisors (7090659).

13818141 is a wasteful number, since it uses less digits than its factorization.

13818141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10945 (or 10939 counting only the distinct ones).

The product of its digits is 768, while the sum is 27.

The square root of 13818141 is about 3717.2760188073. The cubic root of 13818141 is about 239.9660889587.

Adding to 13818141 its reverse (14181831), we get a palindrome (27999972).

The spelling of 13818141 in words is "thirteen million, eight hundred eighteen thousand, one hundred forty-one".