13181073 has 8 divisors (see below), whose sum is σ = 17664768. Its totient is φ = 8742384.

The previous prime is 13181057. The next prime is 13181083. The reversal of 13181073 is 37018131.

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

It is not a de Polignac number, because 13181073 - 2⁴ = 13181057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13181053) 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, 10561 + ... + 11742.

It is an arithmetic number, because the mean of its divisors is an integer number (2208096).

Almost surely, 2^13181073 is an apocalyptic number.

It is an amenable number.

13181073 is a deficient number, since it is larger than the sum of its proper divisors (4483695).

13181073 is a wasteful number, since it uses less digits than its factorization.

13181073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22503.

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 13181073 is about 3630.5747478877. The cubic root of 13181073 is about 236.2201395590.

The spelling of 13181073 in words is "thirteen million, one hundred eighty-one thousand, seventy-three".