13280535 has 12 divisors (see below), whose sum is σ = 23019672. Its totient is φ = 7082928.

The previous prime is 13280503. The next prime is 13280573. The reversal of 13280535 is 53508231.

13280535 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13280535 - 2⁵ = 13280503 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13280499 and 13280508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 147517 + ... + 147606.

It is an arithmetic number, because the mean of its divisors is an integer number (1918306).

Almost surely, 2^13280535 is an apocalyptic number.

13280535 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13280535 is a deficient number, since it is larger than the sum of its proper divisors (9739137).

13280535 is a wasteful number, since it uses less digits than its factorization.

13280535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295134 (or 295131 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 13280535 is about 3644.2468357673. The cubic root of 13280535 is about 236.8128095149.

Adding to 13280535 its reverse (53508231), we get a palindrome (66788766).

The spelling of 13280535 in words is "thirteen million, two hundred eighty thousand, five hundred thirty-five".