13718629 has 2 divisors, whose sum is σ = 13718630. Its totient is φ = 13718628.

The previous prime is 13718623. The next prime is 13718657. The reversal of 13718629 is 92681731.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8988004 + 4730625 = 2998^2 + 2175^2 .

It is an emirp because it is prime and its reverse (92681731) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13718629 - 2⁵ = 13718597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13718623) 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, 6859314 + 6859315.

It is an arithmetic number, because the mean of its divisors is an integer number (6859315).

Almost surely, 2^13718629 is an apocalyptic number.

It is an amenable number.

13718629 is a deficient number, since it is larger than the sum of its proper divisors (1).

13718629 is an equidigital number, since it uses as much as digits as its factorization.

13718629 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 37.

The square root of 13718629 is about 3703.8667632624. The cubic root of 13718629 is about 239.3886581976.

It can be divided in two parts, 1371 and 8629, that added together give a 4-th power (10000 = 10⁴).

The spelling of 13718629 in words is "thirteen million, seven hundred eighteen thousand, six hundred twenty-nine".