13374181 has 2 divisors, whose sum is σ = 13374182. Its totient is φ = 13374180.

The previous prime is 13374173. The next prime is 13374197. The reversal of 13374181 is 18147331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8352100 + 5022081 = 2890^2 + 2241^2 .

It is a cyclic number.

It is not a de Polignac number, because 13374181 - 2³ = 13374173 is a prime.

It is a super-2 number, since 2×13374181² = 357737434841522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13374281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6687090 + 6687091.

It is an arithmetic number, because the mean of its divisors is an integer number (6687091).

Almost surely, 2^13374181 is an apocalyptic number.

It is an amenable number.

13374181 is a deficient number, since it is larger than the sum of its proper divisors (1).

13374181 is an equidigital number, since it uses as much as digits as its factorization.

13374181 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2016, while the sum is 28.

The square root of 13374181 is about 3657.0727364929. The cubic root of 13374181 is about 237.3681247566.

The spelling of 13374181 in words is "thirteen million, three hundred seventy-four thousand, one hundred eighty-one".