13986017 has 2 divisors, whose sum is σ = 13986018. Its totient is φ = 13986016.

The previous prime is 13986013. The next prime is 13986023. The reversal of 13986017 is 71068931.

13986017 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13278736 + 707281 = 3644^2 + 841^2 .

It is a cyclic number.

It is not a de Polignac number, because 13986017 - 2² = 13986013 is a prime.

It is not a weakly prime, because it can be changed into another prime (13986013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6993008 + 6993009.

It is an arithmetic number, because the mean of its divisors is an integer number (6993009).

Almost surely, 2^13986017 is an apocalyptic number.

It is an amenable number.

13986017 is a deficient number, since it is larger than the sum of its proper divisors (1).

13986017 is an equidigital number, since it uses as much as digits as its factorization.

13986017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 13986017 is about 3739.7883629960. The cubic root of 13986017 is about 240.9339591662.

The spelling of 13986017 in words is "thirteen million, nine hundred eighty-six thousand, seventeen".