13071697 has 8 divisors (see below), whose sum is σ = 13304520. Its totient is φ = 12840960.

The previous prime is 13071689. The next prime is 13071731. The reversal of 13071697 is 79617031.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 968256 + 12103441 = 984^2 + 3479^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13071697 - 2³ = 13071689 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (13071197) 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 in 7 ways as a sum of consecutive naturals, for example, 16797 + ... + 17557.

It is an arithmetic number, because the mean of its divisors is an integer number (1663065).

Almost surely, 2^13071697 is an apocalyptic number.

It is an amenable number.

13071697 is a deficient number, since it is larger than the sum of its proper divisors (232823).

13071697 is an equidigital number, since it uses as much as digits as its factorization.

13071697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1043.

The product of its (nonzero) digits is 7938, while the sum is 34.

The square root of 13071697 is about 3615.4801894078. The cubic root of 13071697 is about 235.5649422789.

The spelling of 13071697 in words is "thirteen million, seventy-one thousand, six hundred ninety-seven".