13126541 has 2 divisors, whose sum is σ = 13126542. Its totient is φ = 13126540.

The previous prime is 13126517. The next prime is 13126571. The reversal of 13126541 is 14562131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12709225 + 417316 = 3565^2 + 646^2 .

It is a cyclic number.

It is not a de Polignac number, because 13126541 - 2¹⁴ = 13110157 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13126501) 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, 6563270 + 6563271.

It is an arithmetic number, because the mean of its divisors is an integer number (6563271).

Almost surely, 2^13126541 is an apocalyptic number.

It is an amenable number.

13126541 is a deficient number, since it is larger than the sum of its proper divisors (1).

13126541 is an equidigital number, since it uses as much as digits as its factorization.

13126541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 720, while the sum is 23.

The square root of 13126541 is about 3623.0568585105. The cubic root of 13126541 is about 235.8939303579.

Adding to 13126541 its reverse (14562131), we get a palindrome (27688672).

The spelling of 13126541 in words is "thirteen million, one hundred twenty-six thousand, five hundred forty-one".