13326681 has 8 divisors (see below), whose sum is σ = 18202464. Its totient is φ = 8667680.

The previous prime is 13326679. The next prime is 13326701. The reversal of 13326681 is 18662331.

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 13326681 - 2¹ = 13326679 is a prime.

It is a super-2 number, since 2×13326681² = 355200852951522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13326611) 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, 54051 + ... + 54296.

It is an arithmetic number, because the mean of its divisors is an integer number (2275308).

Almost surely, 2^13326681 is an apocalyptic number.

It is an amenable number.

13326681 is a deficient number, since it is larger than the sum of its proper divisors (4875783).

13326681 is a wasteful number, since it uses less digits than its factorization.

13326681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108391.

The product of its digits is 5184, while the sum is 30.

The square root of 13326681 is about 3650.5726947974. The cubic root of 13326681 is about 237.0867776725.

The spelling of 13326681 in words is "thirteen million, three hundred twenty-six thousand, six hundred eighty-one".