13169657 has 2 divisors, whose sum is σ = 13169658. Its totient is φ = 13169656.

The previous prime is 13169609. The next prime is 13169671. The reversal of 13169657 is 75696131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13169641 + 16 = 3629^2 + 4^2 .

It is a cyclic number.

It is not a de Polignac number, because 13169657 - 2¹² = 13165561 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13169657.

It is not a weakly prime, because it can be changed into another prime (13169677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6584828 + 6584829.

It is an arithmetic number, because the mean of its divisors is an integer number (6584829).

Almost surely, 2^13169657 is an apocalyptic number.

It is an amenable number.

13169657 is a deficient number, since it is larger than the sum of its proper divisors (1).

13169657 is an equidigital number, since it uses as much as digits as its factorization.

13169657 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 13169657 is about 3629.0022044634. The cubic root of 13169657 is about 236.1519238679.

The spelling of 13169657 in words is "thirteen million, one hundred sixty-nine thousand, six hundred fifty-seven".