13459657 has 4 divisors (see below), whose sum is σ = 14168080. Its totient is φ = 12751236.

The previous prime is 13459651. The next prime is 13459661. The reversal of 13459657 is 75695431.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 75695431 = 7 ⋅10813633.

It is a cyclic number.

It is not a de Polignac number, because 13459657 - 2¹⁹ = 12935369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13459651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 354183 + ... + 354220.

It is an arithmetic number, because the mean of its divisors is an integer number (3542020).

Almost surely, 2^13459657 is an apocalyptic number.

It is an amenable number.

13459657 is a deficient number, since it is larger than the sum of its proper divisors (708423).

13459657 is an equidigital number, since it uses as much as digits as its factorization.

13459657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 708422.

The product of its digits is 113400, while the sum is 40.

The square root of 13459657 is about 3668.7405195789. The cubic root of 13459657 is about 237.8727340211.

The spelling of 13459657 in words is "thirteen million, four hundred fifty-nine thousand, six hundred fifty-seven".