13537841 has 2 divisors, whose sum is σ = 13537842. Its totient is φ = 13537840.

The previous prime is 13537829. The next prime is 13537847. The reversal of 13537841 is 14873531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7182400 + 6355441 = 2680^2 + 2521^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13537841 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13537798 and 13537807.

It is not a weakly prime, because it can be changed into another prime (13537847) 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, 6768920 + 6768921.

It is an arithmetic number, because the mean of its divisors is an integer number (6768921).

Almost surely, 2^13537841 is an apocalyptic number.

It is an amenable number.

13537841 is a deficient number, since it is larger than the sum of its proper divisors (1).

13537841 is an equidigital number, since it uses as much as digits as its factorization.

13537841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10080, while the sum is 32.

The square root of 13537841 is about 3679.3805185112. The cubic root of 13537841 is about 238.3324274448.

The spelling of 13537841 in words is "thirteen million, five hundred thirty-seven thousand, eight hundred forty-one".