13352181 has 8 divisors (see below), whose sum is σ = 17821920. Its totient is φ = 8891952.

The previous prime is 13352161. The next prime is 13352197. The reversal of 13352181 is 18125331.

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

It is not a de Polignac number, because 13352181 - 2⁵ = 13352149 is a prime.

It is a super-4 number, since 4×13352181⁴ (a number of 30 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13352111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2115 + ... + 5583.

It is an arithmetic number, because the mean of its divisors is an integer number (2227740).

Almost surely, 2^13352181 is an apocalyptic number.

It is an amenable number.

13352181 is a deficient number, since it is larger than the sum of its proper divisors (4469739).

13352181 is a wasteful number, since it uses less digits than its factorization.

13352181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4755.

The product of its digits is 720, while the sum is 24.

The square root of 13352181 is about 3654.0636283458. The cubic root of 13352181 is about 237.2378995925.

The spelling of 13352181 in words is "thirteen million, three hundred fifty-two thousand, one hundred eighty-one".