13608061 has 2 divisors, whose sum is σ = 13608062. Its totient is φ = 13608060.

The previous prime is 13608059. The next prime is 13608071. The reversal of 13608061 is 16080631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8964036 + 4644025 = 2994^2 + 2155^2 .

It is a cyclic number.

It is not a de Polignac number, because 13608061 - 2¹ = 13608059 is a prime.

Together with 13608059, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13608031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6804030 + 6804031.

It is an arithmetic number, because the mean of its divisors is an integer number (6804031).

Almost surely, 2^13608061 is an apocalyptic number.

It is an amenable number.

13608061 is a deficient number, since it is larger than the sum of its proper divisors (1).

13608061 is an equidigital number, since it uses as much as digits as its factorization.

13608061 is an odious number, because the sum of its binary digits is odd.

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

The square root of 13608061 is about 3688.9105437785. The cubic root of 13608061 is about 238.7437892082.

Adding to 13608061 its reverse (16080631), we get a palindrome (29688692).

The spelling of 13608061 in words is "thirteen million, six hundred eight thousand, sixty-one".