13206541 has 2 divisors, whose sum is σ = 13206542. Its totient is φ = 13206540.

The previous prime is 13206517. The next prime is 13206553. The reversal of 13206541 is 14560231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12638025 + 568516 = 3555^2 + 754^2 .

It is a cyclic number.

It is not a de Polignac number, because 13206541 - 2¹⁵ = 13173773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13206511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6603270 + 6603271.

It is an arithmetic number, because the mean of its divisors is an integer number (6603271).

Almost surely, 2^13206541 is an apocalyptic number.

It is an amenable number.

13206541 is a deficient number, since it is larger than the sum of its proper divisors (1).

13206541 is an equidigital number, since it uses as much as digits as its factorization.

13206541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 13206541 is about 3634.0804889270. The cubic root of 13206541 is about 236.3721803931.

Adding to 13206541 its reverse (14560231), we get a palindrome (27766772).

The spelling of 13206541 in words is "thirteen million, two hundred six thousand, five hundred forty-one".