13200555 has 16 divisors (see below), whose sum is σ = 21254400. Its totient is φ = 6995808.

The previous prime is 13200503. The next prime is 13200557. The reversal of 13200555 is 55500231.

It is not a de Polignac number, because 13200555 - 2¹² = 13196459 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13200557) 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, 255 + ... + 5144.

It is an arithmetic number, because the mean of its divisors is an integer number (1328400).

Almost surely, 2^13200555 is an apocalyptic number.

13200555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13200555 is a deficient number, since it is larger than the sum of its proper divisors (8053845).

13200555 is a wasteful number, since it uses less digits than its factorization.

13200555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5570.

The product of its (nonzero) digits is 750, while the sum is 21.

The square root of 13200555 is about 3633.2568034754. The cubic root of 13200555 is about 236.3364622920.

Adding to 13200555 its reverse (55500231), we get a palindrome (68700786).

The spelling of 13200555 in words is "thirteen million, two hundred thousand, five hundred fifty-five".