13055765 has 16 divisors (see below), whose sum is σ = 16039296. Its totient is φ = 10200000.

The previous prime is 13055761. The next prime is 13055767. The reversal of 13055765 is 56755031.

It is not a de Polignac number, because 13055765 - 2² = 13055761 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13055761) 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, 51890 + ... + 52140.

It is an arithmetic number, because the mean of its divisors is an integer number (1002456).

Almost surely, 2^13055765 is an apocalyptic number.

It is an amenable number.

13055765 is a deficient number, since it is larger than the sum of its proper divisors (2983531).

13055765 is a wasteful number, since it uses less digits than its factorization.

13055765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460.

The product of its (nonzero) digits is 15750, while the sum is 32.

The square root of 13055765 is about 3613.2762141857. The cubic root of 13055765 is about 235.4691998913.

The spelling of 13055765 in words is "thirteen million, fifty-five thousand, seven hundred sixty-five".