13818411 has 8 divisors (see below), whose sum is σ = 20471760. Its totient is φ = 9212256.

The previous prime is 13818401. The next prime is 13818439. The reversal of 13818411 is 11481831.

It is not a de Polignac number, because 13818411 - 2¹⁸ = 13556267 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 511793 = 13818411 / (1 + 3 + 8 + 1 + 8 + 4 + 1 + 1).

It is not an unprimeable number, because it can be changed into a prime (13818401) 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 7 ways as a sum of consecutive naturals, for example, 255870 + ... + 255923.

It is an arithmetic number, because the mean of its divisors is an integer number (2558970).

Almost surely, 2^13818411 is an apocalyptic number.

13818411 is a deficient number, since it is larger than the sum of its proper divisors (6653349).

13818411 is an equidigital number, since it uses as much as digits as its factorization.

13818411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511802 (or 511796 counting only the distinct ones).

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

The square root of 13818411 is about 3717.3123355457. The cubic root of 13818411 is about 239.9676518902.

The spelling of 13818411 in words is "thirteen million, eight hundred eighteen thousand, four hundred eleven".