13806131 has 2 divisors, whose sum is σ = 13806132. Its totient is φ = 13806130.

The previous prime is 13806127. The next prime is 13806211. The reversal of 13806131 is 13160831.

13806131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (13160831) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13806131 - 2² = 13806127 is a prime.

It is a super-2 number, since 2×13806131² = 381218506378322, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 13806097 and 13806106.

It is not a weakly prime, because it can be changed into another prime (13806101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6903065 + 6903066.

It is an arithmetic number, because the mean of its divisors is an integer number (6903066).

Almost surely, 2^13806131 is an apocalyptic number.

13806131 is a deficient number, since it is larger than the sum of its proper divisors (1).

13806131 is an equidigital number, since it uses as much as digits as its factorization.

13806131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 13806131 is about 3715.6602374275. The cubic root of 13806131 is about 239.8965468476.

Adding to 13806131 its reverse (13160831), we get a palindrome (26966962).

The spelling of 13806131 in words is "thirteen million, eight hundred six thousand, one hundred thirty-one".