13181055 has 8 divisors (see below), whose sum is σ = 21089712. Its totient is φ = 7029888.

The previous prime is 13181053. The next prime is 13181057. The reversal of 13181055 is 55018131.

13181055 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13181053) and next prime (13181057).

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

It is not a de Polignac number, because 13181055 - 2¹ = 13181053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13181053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 439354 + ... + 439383.

It is an arithmetic number, because the mean of its divisors is an integer number (2636214).

Almost surely, 2^13181055 is an apocalyptic number.

13181055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13181055 is a deficient number, since it is larger than the sum of its proper divisors (7908657).

13181055 is an equidigital number, since it uses as much as digits as its factorization.

13181055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 878745.

The product of its (nonzero) digits is 600, while the sum is 24.

The square root of 13181055 is about 3630.5722689405. The cubic root of 13181055 is about 236.2200320320.

Adding to 13181055 its reverse (55018131), we get a palindrome (68199186).

The spelling of 13181055 in words is "thirteen million, one hundred eighty-one thousand, fifty-five".