13786963 has 2 divisors, whose sum is σ = 13786964. Its totient is φ = 13786962.

The previous prime is 13786957. The next prime is 13786973. The reversal of 13786963 is 36968731.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13786963 is a prime.

It is not a weakly prime, because it can be changed into another prime (13786973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6893481 + 6893482.

It is an arithmetic number, because the mean of its divisors is an integer number (6893482).

Almost surely, 2^13786963 is an apocalyptic number.

13786963 is a deficient number, since it is larger than the sum of its proper divisors (1).

13786963 is an equidigital number, since it uses as much as digits as its factorization.

13786963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 163296, while the sum is 43.

The square root of 13786963 is about 3713.0799883655. The cubic root of 13786963 is about 239.7854738102.

The spelling of 13786963 in words is "thirteen million, seven hundred eighty-six thousand, nine hundred sixty-three".