13985263 has 2 divisors, whose sum is σ = 13985264. Its totient is φ = 13985262.

The previous prime is 13985261. The next prime is 13985281. The reversal of 13985263 is 36258931.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13985263 - 2¹ = 13985261 is a prime.

Together with 13985261, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13985261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6992631 + 6992632.

It is an arithmetic number, because the mean of its divisors is an integer number (6992632).

Almost surely, 2^13985263 is an apocalyptic number.

13985263 is a deficient number, since it is larger than the sum of its proper divisors (1).

13985263 is an equidigital number, since it uses as much as digits as its factorization.

13985263 is an evil number, because the sum of its binary digits is even.

The product of its digits is 38880, while the sum is 37.

The square root of 13985263 is about 3739.6875537938. The cubic root of 13985263 is about 240.9296294258.

The spelling of 13985263 in words is "thirteen million, nine hundred eighty-five thousand, two hundred sixty-three".