13669597 has 2 divisors, whose sum is σ = 13669598. Its totient is φ = 13669596.

The previous prime is 13669589. The next prime is 13669609. The reversal of 13669597 is 79596631.

13669597 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., 10621081 + 3048516 = 3259^2 + 1746^2 .

It is an emirp because it is prime and its reverse (79596631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13669597 - 2³ = 13669589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13669507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6834798 + 6834799.

It is an arithmetic number, because the mean of its divisors is an integer number (6834799).

Almost surely, 2^13669597 is an apocalyptic number.

It is an amenable number.

13669597 is a deficient number, since it is larger than the sum of its proper divisors (1).

13669597 is an equidigital number, since it uses as much as digits as its factorization.

13669597 is an evil number, because the sum of its binary digits is even.

The product of its digits is 306180, while the sum is 46.

The square root of 13669597 is about 3697.2418097820. The cubic root of 13669597 is about 239.1031166297.

The spelling of 13669597 in words is "thirteen million, six hundred sixty-nine thousand, five hundred ninety-seven".