13280655 has 16 divisors (see below), whose sum is σ = 22499424. Its totient is φ = 6666240.

The previous prime is 13280653. The next prime is 13280681. The reversal of 13280655 is 55608231.

It is not a de Polignac number, because 13280655 - 2¹ = 13280653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13280651) 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 in 15 ways as a sum of consecutive naturals, for example, 25786 + ... + 26295.

It is an arithmetic number, because the mean of its divisors is an integer number (1406214).

Almost surely, 2^13280655 is an apocalyptic number.

13280655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13280655 is a deficient number, since it is larger than the sum of its proper divisors (9218769).

13280655 is a wasteful number, since it uses less digits than its factorization.

13280655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52106.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 13280655 is about 3644.2633000375. The cubic root of 13280655 is about 236.8135227756.

Adding to 13280655 its reverse (55608231), we get a palindrome (68888886).

The spelling of 13280655 in words is "thirteen million, two hundred eighty thousand, six hundred fifty-five".