13986163 has 2 divisors, whose sum is σ = 13986164. Its totient is φ = 13986162.

The previous prime is 13986157. The next prime is 13986169. The reversal of 13986163 is 36168931.

It is a balanced prime because it is at equal distance from previous prime (13986157) and next prime (13986169).

It is an emirp because it is prime and its reverse (36168931) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13986163 - 2²¹ = 11889011 is a prime.

It is a super-2 number, since 2×13986163² = 391225510925138, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13986169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6993081 + 6993082.

It is an arithmetic number, because the mean of its divisors is an integer number (6993082).

Almost surely, 2^13986163 is an apocalyptic number.

13986163 is a deficient number, since it is larger than the sum of its proper divisors (1).

13986163 is an equidigital number, since it uses as much as digits as its factorization.

13986163 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23328, while the sum is 37.

The square root of 13986163 is about 3739.8078827662. The cubic root of 13986163 is about 240.9347975330.

The spelling of 13986163 in words is "thirteen million, nine hundred eighty-six thousand, one hundred sixty-three".