13668029 has 2 divisors, whose sum is σ = 13668030. Its totient is φ = 13668028.

The previous prime is 13668007. The next prime is 13668037. The reversal of 13668029 is 92086631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13579225 + 88804 = 3685^2 + 298^2 .

It is a cyclic number.

It is not a de Polignac number, because 13668029 - 2¹² = 13663933 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13668029.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13608029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6834014 + 6834015.

It is an arithmetic number, because the mean of its divisors is an integer number (6834015).

Almost surely, 2^13668029 is an apocalyptic number.

It is an amenable number.

13668029 is a deficient number, since it is larger than the sum of its proper divisors (1).

13668029 is an equidigital number, since it uses as much as digits as its factorization.

13668029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 13668029 is about 3697.0297537347. The cubic root of 13668029 is about 239.0939740041.

The spelling of 13668029 in words is "thirteen million, six hundred sixty-eight thousand, twenty-nine".