13197698 has 4 divisors (see below), whose sum is σ = 19796550. Its totient is φ = 6598848.

The previous prime is 13197683. The next prime is 13197707. The reversal of 13197698 is 89679131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 89679131 = 17 ⋅5275243.

It can be written as a sum of positive squares in only one way, i.e., 6932689 + 6265009 = 2633^2 + 2503^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3299423 + ... + 3299426.

Almost surely, 2^13197698 is an apocalyptic number.

13197698 is a deficient number, since it is larger than the sum of its proper divisors (6598852).

13197698 is an equidigital number, since it uses as much as digits as its factorization.

13197698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6598851.

The product of its digits is 81648, while the sum is 44.

The square root of 13197698 is about 3632.8636087803. The cubic root of 13197698 is about 236.3194109384.

The spelling of 13197698 in words is "thirteen million, one hundred ninety-seven thousand, six hundred ninety-eight".