13055505 has 8 divisors (see below), whose sum is σ = 20888832. Its totient is φ = 6962928.

The previous prime is 13055501. The next prime is 13055509. The reversal of 13055505 is 50555031.

It is an interprime number because it is at equal distance from previous prime (13055501) and next prime (13055509).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13055505 - 2² = 13055501 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13055501) 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 7 ways as a sum of consecutive naturals, for example, 435169 + ... + 435198.

It is an arithmetic number, because the mean of its divisors is an integer number (2611104).

Almost surely, 2^13055505 is an apocalyptic number.

13055505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13055505 is a deficient number, since it is larger than the sum of its proper divisors (7833327).

13055505 is an equidigital number, since it uses as much as digits as its factorization.

13055505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 870375.

The product of its (nonzero) digits is 1875, while the sum is 24.

The square root of 13055505 is about 3613.2402355780. The cubic root of 13055505 is about 235.4676367913.

The spelling of 13055505 in words is "thirteen million, fifty-five thousand, five hundred five".