13016181 has 8 divisors (see below), whose sum is σ = 17372800. Its totient is φ = 8668512.

The previous prime is 13016177. The next prime is 13016189. The reversal of 13016181 is 18161031.

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

It is not a de Polignac number, because 13016181 - 2² = 13016177 is a prime.

It is a super-2 number, since 2×13016181² = 338841935649522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13016189) 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, 2745 + ... + 5793.

It is an arithmetic number, because the mean of its divisors is an integer number (2171600).

Almost surely, 2^13016181 is an apocalyptic number.

It is an amenable number.

13016181 is a deficient number, since it is larger than the sum of its proper divisors (4356619).

13016181 is a wasteful number, since it uses less digits than its factorization.

13016181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4475.

The product of its (nonzero) digits is 144, while the sum is 21.

The square root of 13016181 is about 3607.7944786254. The cubic root of 13016181 is about 235.2309845975.

The spelling of 13016181 in words is "thirteen million, sixteen thousand, one hundred eighty-one".