13806047 has 2 divisors, whose sum is σ = 13806048. Its totient is φ = 13806046.

The previous prime is 13806019. The next prime is 13806071. The reversal of 13806047 is 74060831.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13806047 - 2⁶ = 13805983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13806077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6903023 + 6903024.

It is an arithmetic number, because the mean of its divisors is an integer number (6903024).

Almost surely, 2^13806047 is an apocalyptic number.

13806047 is a deficient number, since it is larger than the sum of its proper divisors (1).

13806047 is an equidigital number, since it uses as much as digits as its factorization.

13806047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 13806047 is about 3715.6489339010. The cubic root of 13806047 is about 239.8960603162.

Adding to 13806047 its reverse (74060831), we get a palindrome (87866878).

The spelling of 13806047 in words is "thirteen million, eight hundred six thousand, forty-seven".