13346572881 has 8 divisors (see below), whose sum is σ = 17810736480. Its totient is φ = 8890062272.

The previous prime is 13346572873. The next prime is 13346572901. The reversal of 13346572881 is 18827564331.

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

It is a cyclic number.

It is not a de Polignac number, because 13346572881 - 2³ = 13346572873 is a prime.

It is a super-2 number, since 2×13346572881² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13346572881.

It is not an unprimeable number, because it can be changed into a prime (13346572081) 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, 1909176 + ... + 1916153.

It is an arithmetic number, because the mean of its divisors is an integer number (2226342060).

Almost surely, 2^13346572881 is an apocalyptic number.

It is an amenable number.

13346572881 is a deficient number, since it is larger than the sum of its proper divisors (4464163599).

13346572881 is a wasteful number, since it uses less digits than its factorization.

13346572881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3826495.

The product of its digits is 967680, while the sum is 48.

The spelling of 13346572881 in words is "thirteen billion, three hundred forty-six million, five hundred seventy-two thousand, eight hundred eighty-one".