13027181 has 2 divisors, whose sum is σ = 13027182. Its totient is φ = 13027180.

The previous prime is 13027127. The next prime is 13027207. The reversal of 13027181 is 18172031.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9205156 + 3822025 = 3034^2 + 1955^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13027181 is a prime.

It is a super-2 number, since 2×13027181² = 339414889613522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13027121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6513590 + 6513591.

It is an arithmetic number, because the mean of its divisors is an integer number (6513591).

Almost surely, 2^13027181 is an apocalyptic number.

It is an amenable number.

13027181 is a deficient number, since it is larger than the sum of its proper divisors (1).

13027181 is an equidigital number, since it uses as much as digits as its factorization.

13027181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 23.

The square root of 13027181 is about 3609.3186337590. The cubic root of 13027181 is about 235.2972306610.

The spelling of 13027181 in words is "thirteen million, twenty-seven thousand, one hundred eighty-one".