13280437 has 2 divisors, whose sum is σ = 13280438. Its totient is φ = 13280436.

The previous prime is 13280413. The next prime is 13280441. The reversal of 13280437 is 73408231.

13280437 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., 8444836 + 4835601 = 2906^2 + 2199^2 .

It is a cyclic number.

It is not a de Polignac number, because 13280437 - 2¹¹ = 13278389 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 (13280467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6640218 + 6640219.

It is an arithmetic number, because the mean of its divisors is an integer number (6640219).

Almost surely, 2^13280437 is an apocalyptic number.

It is an amenable number.

13280437 is a deficient number, since it is larger than the sum of its proper divisors (1).

13280437 is an equidigital number, since it uses as much as digits as its factorization.

13280437 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 13280437 is about 3644.2333898915. The cubic root of 13280437 is about 236.8122270154.

Adding to 13280437 its reverse (73408231), we get a palindrome (86688668).

The spelling of 13280437 in words is "thirteen million, two hundred eighty thousand, four hundred thirty-seven".