13549073 has 2 divisors, whose sum is σ = 13549074. Its totient is φ = 13549072.

The previous prime is 13549037. The next prime is 13549087. The reversal of 13549073 is 37094531.

It is a happy number.

Together with previous prime (13549037) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11785489 + 1763584 = 3433^2 + 1328^2 .

It is a cyclic number.

It is not a de Polignac number, because 13549073 - 2⁶ = 13549009 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (13549013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6774536 + 6774537.

It is an arithmetic number, because the mean of its divisors is an integer number (6774537).

Almost surely, 2^13549073 is an apocalyptic number.

It is an amenable number.

13549073 is a deficient number, since it is larger than the sum of its proper divisors (1).

13549073 is an equidigital number, since it uses as much as digits as its factorization.

13549073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 13549073 is about 3680.9065459476. The cubic root of 13549073 is about 238.3983219951.

The spelling of 13549073 in words is "thirteen million, five hundred forty-nine thousand, seventy-three".