13395181 has 2 divisors, whose sum is σ = 13395182. Its totient is φ = 13395180.

The previous prime is 13395169. The next prime is 13395197. The reversal of 13395181 is 18159331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13205956 + 189225 = 3634^2 + 435^2 .

It is an emirp because it is prime and its reverse (18159331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13395181 - 2⁵ = 13395149 is a prime.

It is a super-2 number, since 2×13395181² = 358861748045522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13395581) 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 as a sum of consecutive naturals, namely, 6697590 + 6697591.

It is an arithmetic number, because the mean of its divisors is an integer number (6697591).

Almost surely, 2^13395181 is an apocalyptic number.

It is an amenable number.

13395181 is a deficient number, since it is larger than the sum of its proper divisors (1).

13395181 is an equidigital number, since it uses as much as digits as its factorization.

13395181 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3240, while the sum is 31.

The square root of 13395181 is about 3659.9427591152. The cubic root of 13395181 is about 237.4922974418.

The spelling of 13395181 in words is "thirteen million, three hundred ninety-five thousand, one hundred eighty-one".