13055775 has 12 divisors (see below), whose sum is σ = 21585672. Its totient is φ = 6963040.

The previous prime is 13055773. The next prime is 13055803. The reversal of 13055775 is 57755031.

It is not a de Polignac number, because 13055775 - 2¹ = 13055773 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13055773) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 86964 + ... + 87113.

It is an arithmetic number, because the mean of its divisors is an integer number (1798806).

Almost surely, 2^13055775 is an apocalyptic number.

13055775 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13055775 is a deficient number, since it is larger than the sum of its proper divisors (8529897).

13055775 is a wasteful number, since it uses less digits than its factorization.

13055775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174090 (or 174085 counting only the distinct ones).

The product of its (nonzero) digits is 18375, while the sum is 33.

The square root of 13055775 is about 3613.2775979711. The cubic root of 13055775 is about 235.4692600101.

The spelling of 13055775 in words is "thirteen million, fifty-five thousand, seven hundred seventy-five".