13452181 has 2 divisors, whose sum is σ = 13452182. Its totient is φ = 13452180.

The previous prime is 13452161. The next prime is 13452211. The reversal of 13452181 is 18125431.

13452181 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12744900 + 707281 = 3570^2 + 841^2 .

It is an emirp because it is prime and its reverse (18125431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13452181 - 2¹¹ = 13450133 is a prime.

It is a super-2 number, since 2×13452181² = 361922347313522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13452121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6726090 + 6726091.

It is an arithmetic number, because the mean of its divisors is an integer number (6726091).

Almost surely, 2^13452181 is an apocalyptic number.

It is an amenable number.

13452181 is a deficient number, since it is larger than the sum of its proper divisors (1).

13452181 is an equidigital number, since it uses as much as digits as its factorization.

13452181 is an evil number, because the sum of its binary digits is even.

The product of its digits is 960, while the sum is 25.

The square root of 13452181 is about 3667.7214997870. The cubic root of 13452181 is about 237.8286847085.

The spelling of 13452181 in words is "thirteen million, four hundred fifty-two thousand, one hundred eighty-one".