13698071 has 4 divisors (see below), whose sum is σ = 13863192. Its totient is φ = 13532952.

The previous prime is 13698067. The next prime is 13698109. The reversal of 13698071 is 17089631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17089631 = 13 ⋅1314587.

It is a cyclic number.

It is not a de Polignac number, because 13698071 - 2² = 13698067 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13698011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82436 + ... + 82601.

It is an arithmetic number, because the mean of its divisors is an integer number (3465798).

Almost surely, 2^13698071 is an apocalyptic number.

13698071 is a deficient number, since it is larger than the sum of its proper divisors (165121).

13698071 is an equidigital number, since it uses as much as digits as its factorization.

13698071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165120.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 13698071 is about 3701.0905149699. The cubic root of 13698071 is about 239.2690200915.

The spelling of 13698071 in words is "thirteen million, six hundred ninety-eight thousand, seventy-one".