13280507 has 4 divisors (see below), whose sum is σ = 13589400. Its totient is φ = 12971616.

The previous prime is 13280503. The next prime is 13280573. The reversal of 13280507 is 70508231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13280507 - 2² = 13280503 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13280503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154382 + ... + 154467.

It is an arithmetic number, because the mean of its divisors is an integer number (3397350).

Almost surely, 2^13280507 is an apocalyptic number.

13280507 is a deficient number, since it is larger than the sum of its proper divisors (308893).

13280507 is an equidigital number, since it uses as much as digits as its factorization.

13280507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308892.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 13280507 is about 3644.2429940936. The cubic root of 13280507 is about 236.8126430867.

Adding to 13280507 its reverse (70508231), we get a palindrome (83788738).

The spelling of 13280507 in words is "thirteen million, two hundred eighty thousand, five hundred seven".