13679698 has 4 divisors (see below), whose sum is σ = 20519550. Its totient is φ = 6839848.

The previous prime is 13679693. The next prime is 13679707. The reversal of 13679698 is 89697631.

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

It can be written as a sum of positive squares in only one way, i.e., 8048569 + 5631129 = 2837^2 + 2373^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (13679693) 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 as a sum of consecutive naturals, namely, 3419923 + ... + 3419926.

Almost surely, 2^13679698 is an apocalyptic number.

13679698 is a deficient number, since it is larger than the sum of its proper divisors (6839852).

13679698 is an equidigital number, since it uses as much as digits as its factorization.

13679698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6839851.

The product of its digits is 489888, while the sum is 49.

The square root of 13679698 is about 3698.6075758317. The cubic root of 13679698 is about 239.1619963449.

The spelling of 13679698 in words is "thirteen million, six hundred seventy-nine thousand, six hundred ninety-eight".