13380681 has 8 divisors (see below), whose sum is σ = 18085600. Its totient is φ = 8798112.

The previous prime is 13380659. The next prime is 13380707. The reversal of 13380681 is 18608331.

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

It is not a de Polignac number, because 13380681 - 2¹⁴ = 13364297 is a prime.

It is a super-2 number, since 2×13380681² = 358085248047522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13380481) 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, 30331 + ... + 30768.

It is an arithmetic number, because the mean of its divisors is an integer number (2260700).

Almost surely, 2^13380681 is an apocalyptic number.

It is an amenable number.

13380681 is a deficient number, since it is larger than the sum of its proper divisors (4704919).

13380681 is an equidigital number, since it uses as much as digits as its factorization.

13380681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61175.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 13380681 is about 3657.9613174554. The cubic root of 13380681 is about 237.4065730405.

The spelling of 13380681 in words is "thirteen million, three hundred eighty thousand, six hundred eighty-one".