13659629 has 2 divisors, whose sum is σ = 13659630. Its totient is φ = 13659628.

The previous prime is 13659617. The next prime is 13659641. The reversal of 13659629 is 92695631.

It is a balanced prime because it is at equal distance from previous prime (13659617) and next prime (13659641).

It can be written as a sum of positive squares in only one way, i.e., 12945604 + 714025 = 3598^2 + 845^2 .

It is a cyclic number.

It is not a de Polignac number, because 13659629 - 2¹² = 13655533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13659649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6829814 + 6829815.

It is an arithmetic number, because the mean of its divisors is an integer number (6829815).

Almost surely, 2^13659629 is an apocalyptic number.

It is an amenable number.

13659629 is a deficient number, since it is larger than the sum of its proper divisors (1).

13659629 is an equidigital number, since it uses as much as digits as its factorization.

13659629 is an evil number, because the sum of its binary digits is even.

The product of its digits is 87480, while the sum is 41.

The square root of 13659629 is about 3695.8935320163. The cubic root of 13659629 is about 239.0449837423.

The spelling of 13659629 in words is "thirteen million, six hundred fifty-nine thousand, six hundred twenty-nine".