13668037 has 2 divisors, whose sum is σ = 13668038. Its totient is φ = 13668036.

The previous prime is 13668029. The next prime is 13668041. The reversal of 13668037 is 73086631.

13668037 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13315201 + 352836 = 3649^2 + 594^2 .

It is an emirp because it is prime and its reverse (73086631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13668037 - 2³ = 13668029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13667993 and 13668011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13668007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6834018 + 6834019.

It is an arithmetic number, because the mean of its divisors is an integer number (6834019).

Almost surely, 2^13668037 is an apocalyptic number.

It is an amenable number.

13668037 is a deficient number, since it is larger than the sum of its proper divisors (1).

13668037 is an equidigital number, since it uses as much as digits as its factorization.

13668037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 13668037 is about 3697.0308356842. The cubic root of 13668037 is about 239.0940206519.

The spelling of 13668037 in words is "thirteen million, six hundred sixty-eight thousand, thirty-seven".