13755573 has 24 divisors (see below), whose sum is σ = 21654360. Its totient is φ = 8363520.

The previous prime is 13755529. The next prime is 13755583. The reversal of 13755573 is 37555731.

It is a happy number.

13755573 is a `hidden beast` number, since 1 + 37 + 55 + 573 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1096209 + 12659364 = 1047^2 + 3558^2 .

It is not a de Polignac number, because 13755573 - 2⁶ = 13755509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13755523) 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 23 ways as a sum of consecutive naturals, for example, 9753 + ... + 11073.

It is an arithmetic number, because the mean of its divisors is an integer number (902265).

Almost surely, 2^13755573 is an apocalyptic number.

13755573 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

13755573 is a deficient number, since it is larger than the sum of its proper divisors (7898787).

13755573 is a wasteful number, since it uses less digits than its factorization.

13755573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1429 (or 1426 counting only the distinct ones).

The product of its digits is 55125, while the sum is 36.

The square root of 13755573 is about 3708.8506305862. The cubic root of 13755573 is about 239.6033552484.

The spelling of 13755573 in words is "thirteen million, seven hundred fifty-five thousand, five hundred seventy-three".