13178055 has 16 divisors (see below), whose sum is σ = 23001984. Its totient is φ = 6389280.

The previous prime is 13178051. The next prime is 13178101. The reversal of 13178055 is 55087131.

13178055 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13178055 - 2² = 13178051 is a prime.

It is a super-2 number, since 2×13178055² = 347322267166050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13178051) 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 15 ways as a sum of consecutive naturals, for example, 39769 + ... + 40098.

It is an arithmetic number, because the mean of its divisors is an integer number (1437624).

Almost surely, 2^13178055 is an apocalyptic number.

13178055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13178055 is a deficient number, since it is larger than the sum of its proper divisors (9823929).

13178055 is a wasteful number, since it uses less digits than its factorization.

13178055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79886.

The product of its (nonzero) digits is 4200, while the sum is 30.

The square root of 13178055 is about 3630.1590874230. The cubic root of 13178055 is about 236.2021094943.

The spelling of 13178055 in words is "thirteen million, one hundred seventy-eight thousand, fifty-five".