13200756 has 12 divisors (see below), whose sum is σ = 30801792. Its totient is φ = 4400248.

The previous prime is 13200743. The next prime is 13200767. The reversal of 13200756 is 65700231.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 550020 + ... + 550043.

It is an arithmetic number, because the mean of its divisors is an integer number (2566816).

Almost surely, 2^13200756 is an apocalyptic number.

It is an amenable number.

13200756 is an abundant number, since it is smaller than the sum of its proper divisors (17601036).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13200756 is a wasteful number, since it uses less digits than its factorization.

13200756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1100070 (or 1100068 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 13200756 is about 3633.2844645032. The cubic root of 13200756 is about 236.3376618221.

Adding to 13200756 its reverse (65700231), we get a palindrome (78900987).

The spelling of 13200756 in words is "thirteen million, two hundred thousand, seven hundred fifty-six".