13630637 has 2 divisors, whose sum is σ = 13630638. Its totient is φ = 13630636.

The previous prime is 13630621. The next prime is 13630649. The reversal of 13630637 is 73603631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10118761 + 3511876 = 3181^2 + 1874^2 .

It is a cyclic number.

It is not a de Polignac number, because 13630637 - 2⁴ = 13630621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13630037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6815318 + 6815319.

It is an arithmetic number, because the mean of its divisors is an integer number (6815319).

Almost surely, 2^13630637 is an apocalyptic number.

It is an amenable number.

13630637 is a deficient number, since it is larger than the sum of its proper divisors (1).

13630637 is an equidigital number, since it uses as much as digits as its factorization.

13630637 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6804, while the sum is 29.

The square root of 13630637 is about 3691.9692577268. The cubic root of 13630637 is about 238.8757429058.

The spelling of 13630637 in words is "thirteen million, six hundred thirty thousand, six hundred thirty-seven".