13682645 has 8 divisors (see below), whose sum is σ = 16443960. Its totient is φ = 10929600.

The previous prime is 13682629. The next prime is 13682653. The reversal of 13682645 is 54628631.

It can be written as a sum of positive squares in 4 ways, for example, as 556516 + 13126129 = 746^2 + 3623^2 .

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

It is not a de Polignac number, because 13682645 - 2⁴ = 13682629 is a prime.

It is a congruent number.

It is an unprimeable number.

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, 2495 + ... + 5795.

It is an arithmetic number, because the mean of its divisors is an integer number (2055495).

Almost surely, 2^13682645 is an apocalyptic number.

It is an amenable number.

13682645 is a deficient number, since it is larger than the sum of its proper divisors (2761315).

13682645 is an equidigital number, since it uses as much as digits as its factorization.

13682645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4135.

The product of its digits is 34560, while the sum is 35.

The square root of 13682645 is about 3699.0059475486. The cubic root of 13682645 is about 239.1791692337.

The spelling of 13682645 in words is "thirteen million, six hundred eighty-two thousand, six hundred forty-five".