13637713 has 2 divisors, whose sum is σ = 13637714. Its totient is φ = 13637712.

The previous prime is 13637699. The next prime is 13637717. The reversal of 13637713 is 31773631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13010449 + 627264 = 3607^2 + 792^2 .

It is an emirp because it is prime and its reverse (31773631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13637713 - 2⁵ = 13637681 is a prime.

It is not a weakly prime, because it can be changed into another prime (13637717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6818856 + 6818857.

It is an arithmetic number, because the mean of its divisors is an integer number (6818857).

Almost surely, 2^13637713 is an apocalyptic number.

It is an amenable number.

13637713 is a deficient number, since it is larger than the sum of its proper divisors (1).

13637713 is an equidigital number, since it uses as much as digits as its factorization.

13637713 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7938, while the sum is 31.

The square root of 13637713 is about 3692.9274295605. The cubic root of 13637713 is about 238.9170711859.

The spelling of 13637713 in words is "thirteen million, six hundred thirty-seven thousand, seven hundred thirteen".