13797689 has 4 divisors (see below), whose sum is σ = 14134260. Its totient is φ = 13461120.

The previous prime is 13797673. The next prime is 13797701. The reversal of 13797689 is 98679731.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6996025 + 6801664 = 2645^2 + 2608^2 .

It is not a de Polignac number, because 13797689 - 2⁴ = 13797673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13797089) 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, 168224 + ... + 168305.

It is an arithmetic number, because the mean of its divisors is an integer number (3533565).

Almost surely, 2^13797689 is an apocalyptic number.

It is an amenable number.

13797689 is a deficient number, since it is larger than the sum of its proper divisors (336571).

13797689 is an equidigital number, since it uses as much as digits as its factorization.

13797689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336570.

The product of its digits is 571536, while the sum is 50.

The square root of 13797689 is about 3714.5240610339. The cubic root of 13797689 is about 239.8476405665.

The spelling of 13797689 in words is "thirteen million, seven hundred ninety-seven thousand, six hundred eighty-nine".