13280873 has 2 divisors, whose sum is σ = 13280874. Its totient is φ = 13280872.

The previous prime is 13280863. The next prime is 13280881. The reversal of 13280873 is 37808231.

13280873 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12334144 + 946729 = 3512^2 + 973^2 .

It is an emirp because it is prime and its reverse (37808231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13280873 - 2¹² = 13276777 is a prime.

It is not a weakly prime, because it can be changed into another prime (13280863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6640436 + 6640437.

It is an arithmetic number, because the mean of its divisors is an integer number (6640437).

Almost surely, 2^13280873 is an apocalyptic number.

It is an amenable number.

13280873 is a deficient number, since it is larger than the sum of its proper divisors (1).

13280873 is an equidigital number, since it uses as much as digits as its factorization.

13280873 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 13280873 is about 3644.2932099380. The cubic root of 13280873 is about 236.8148185215.

The spelling of 13280873 in words is "thirteen million, two hundred eighty thousand, eight hundred seventy-three".