13056055 has 4 divisors (see below), whose sum is σ = 15667272. Its totient is φ = 10444840.

The previous prime is 13056037. The next prime is 13056077. The reversal of 13056055 is 55065031.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 13056055 - 2⁵ = 13056023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1305601 + ... + 1305610.

It is an arithmetic number, because the mean of its divisors is an integer number (3916818).

Almost surely, 2^13056055 is an apocalyptic number.

13056055 is a deficient number, since it is larger than the sum of its proper divisors (2611217).

13056055 is an equidigital number, since it uses as much as digits as its factorization.

13056055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2611216.

The product of its (nonzero) digits is 2250, while the sum is 25.

The square root of 13056055 is about 3613.3163437485. The cubic root of 13056055 is about 235.4709433245.

It can be divided in two parts, 1305605 and 5, that multiplied together give a square (6528025 = 2555²).

The spelling of 13056055 in words is "thirteen million, fifty-six thousand, fifty-five".