13716631 has 2 divisors, whose sum is σ = 13716632. Its totient is φ = 13716630.

The previous prime is 13716611. The next prime is 13716641. The reversal of 13716631 is 13661731.

13716631 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13716631 - 2¹³ = 13708439 is a prime.

It is a super-2 number, since 2×13716631² = 376291931980322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13716631.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13716611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6858315 + 6858316.

It is an arithmetic number, because the mean of its divisors is an integer number (6858316).

Almost surely, 2^13716631 is an apocalyptic number.

13716631 is a deficient number, since it is larger than the sum of its proper divisors (1).

13716631 is an equidigital number, since it uses as much as digits as its factorization.

13716631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2268, while the sum is 28.

The square root of 13716631 is about 3703.5970353158. The cubic root of 13716631 is about 239.3770360022.

The spelling of 13716631 in words is "thirteen million, seven hundred sixteen thousand, six hundred thirty-one".