13608629 has 2 divisors, whose sum is σ = 13608630. Its totient is φ = 13608628.

The previous prime is 13608611. The next prime is 13608631. The reversal of 13608629 is 92680631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6838225 + 6770404 = 2615^2 + 2602^2 .

It is a cyclic number.

It is not a de Polignac number, because 13608629 - 2¹² = 13604533 is a prime.

Together with 13608631, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13608649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6804314 + 6804315.

It is an arithmetic number, because the mean of its divisors is an integer number (6804315).

Almost surely, 2^13608629 is an apocalyptic number.

It is an amenable number.

13608629 is a deficient number, since it is larger than the sum of its proper divisors (1).

13608629 is an equidigital number, since it uses as much as digits as its factorization.

13608629 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 13608629 is about 3688.9875304750. The cubic root of 13608629 is about 238.7471108812.

The spelling of 13608629 in words is "thirteen million, six hundred eight thousand, six hundred twenty-nine".