13112755 has 16 divisors (see below), whose sum is σ = 16773120. Its totient is φ = 9812448.

The previous prime is 13112753. The next prime is 13112761. The reversal of 13112755 is 55721131.

It is a cyclic number.

It is not a de Polignac number, because 13112755 - 2¹ = 13112753 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13112753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7054 + ... + 8716.

It is an arithmetic number, because the mean of its divisors is an integer number (1048320).

Almost surely, 2^13112755 is an apocalyptic number.

13112755 is a deficient number, since it is larger than the sum of its proper divisors (3660365).

13112755 is a wasteful number, since it uses less digits than its factorization.

13112755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1770.

The product of its digits is 1050, while the sum is 25.

The square root of 13112755 is about 3621.1538216430. The cubic root of 13112755 is about 235.8113197941.

Adding to 13112755 its reverse (55721131), we get a palindrome (68833886).

The spelling of 13112755 in words is "thirteen million, one hundred twelve thousand, seven hundred fifty-five".