13916657 has 2 divisors, whose sum is σ = 13916658. Its totient is φ = 13916656.

The previous prime is 13916641. The next prime is 13916677. The reversal of 13916657 is 75661931.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9006001 + 4910656 = 3001^2 + 2216^2 .

It is a cyclic number.

It is not a de Polignac number, because 13916657 - 2⁴ = 13916641 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13916657.

It is not a weakly prime, because it can be changed into another prime (13916627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6958328 + 6958329.

It is an arithmetic number, because the mean of its divisors is an integer number (6958329).

Almost surely, 2^13916657 is an apocalyptic number.

It is an amenable number.

13916657 is a deficient number, since it is larger than the sum of its proper divisors (1).

13916657 is an equidigital number, since it uses as much as digits as its factorization.

13916657 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34020, while the sum is 38.

The square root of 13916657 is about 3730.5035853086. The cubic root of 13916657 is about 240.5350159293.

The spelling of 13916657 in words is "thirteen million, nine hundred sixteen thousand, six hundred fifty-seven".