13806061 has 4 divisors (see below), whose sum is σ = 13827132. Its totient is φ = 13784992.

The previous prime is 13806047. The next prime is 13806071. The reversal of 13806061 is 16060831.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16060831 = 23 ⋅698297.

It can be written as a sum of positive squares in 2 ways, for example, as 11600836 + 2205225 = 3406^2 + 1485^2 .

It is a cyclic number.

It is not a de Polignac number, because 13806061 - 2⁷ = 13805933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13806071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9520 + ... + 10873.

It is an arithmetic number, because the mean of its divisors is an integer number (3456783).

Almost surely, 2^13806061 is an apocalyptic number.

It is an amenable number.

13806061 is a deficient number, since it is larger than the sum of its proper divisors (21071).

13806061 is an equidigital number, since it uses as much as digits as its factorization.

13806061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21070.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 13806061 is about 3715.6508178245. The cubic root of 13806061 is about 239.8961414049.

Adding to 13806061 its reverse (16060831), we get a palindrome (29866892).

The spelling of 13806061 in words is "thirteen million, eight hundred six thousand, sixty-one".