13197841 has 2 divisors, whose sum is σ = 13197842. Its totient is φ = 13197840.

The previous prime is 13197817. The next prime is 13197851. The reversal of 13197841 is 14879131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8532241 + 4665600 = 2921^2 + 2160^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13197841 is a prime.

It is a super-2 number, since 2×13197841² = 348366014122562, which contains 22 as substring.

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 13197797 and 13197806.

It is not a weakly prime, because it can be changed into another prime (13197851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6598920 + 6598921.

It is an arithmetic number, because the mean of its divisors is an integer number (6598921).

Almost surely, 2^13197841 is an apocalyptic number.

It is an amenable number.

13197841 is a deficient number, since it is larger than the sum of its proper divisors (1).

13197841 is an equidigital number, since it uses as much as digits as its factorization.

13197841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6048, while the sum is 34.

The square root of 13197841 is about 3632.8832901705. The cubic root of 13197841 is about 236.3202644599.

The spelling of 13197841 in words is "thirteen million, one hundred ninety-seven thousand, eight hundred forty-one".