13180811 has 8 divisors (see below), whose sum is σ = 15233760. Its totient is φ = 11170368.

The previous prime is 13180799. The next prime is 13180823. The reversal of 13180811 is 11808131.

It is an interprime number because it is at equal distance from previous prime (13180799) and next prime (13180823).

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

It is a cyclic number.

It is not a de Polignac number, because 13180811 - 2²² = 8986507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13180841) 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 7 ways as a sum of consecutive naturals, for example, 9956 + ... + 11201.

It is an arithmetic number, because the mean of its divisors is an integer number (1904220).

Almost surely, 2^13180811 is an apocalyptic number.

13180811 is a deficient number, since it is larger than the sum of its proper divisors (2052949).

13180811 is an equidigital number, since it uses as much as digits as its factorization.

13180811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21253.

The product of its (nonzero) digits is 192, while the sum is 23.

The square root of 13180811 is about 3630.5386652672. The cubic root of 13180811 is about 236.2185744339.

Adding to 13180811 its reverse (11808131), we get a palindrome (24988942).

The spelling of 13180811 in words is "thirteen million, one hundred eighty thousand, eight hundred eleven".