13830811 has 2 divisors, whose sum is σ = 13830812. Its totient is φ = 13830810.

The previous prime is 13830787. The next prime is 13830829. The reversal of 13830811 is 11803831.

13830811 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13830811 - 2¹³ = 13822619 is a prime.

It is not a weakly prime, because it can be changed into another prime (13830851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6915405 + 6915406.

It is an arithmetic number, because the mean of its divisors is an integer number (6915406).

Almost surely, 2^13830811 is an apocalyptic number.

13830811 is a deficient number, since it is larger than the sum of its proper divisors (1).

13830811 is an equidigital number, since it uses as much as digits as its factorization.

13830811 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 13830811 is about 3718.9798332338. The cubic root of 13830811 is about 240.0394090378.

It can be divided in two parts, 13830 and 811, that added together give a palindrome (14641).

The spelling of 13830811 in words is "thirteen million, eight hundred thirty thousand, eight hundred eleven".