13682539 has 16 divisors (see below), whose sum is σ = 15628032. Its totient is φ = 11883168.

The previous prime is 13682509. The next prime is 13682551. The reversal of 13682539 is 93528631.

It is a cyclic number.

It is not a de Polignac number, because 13682539 - 2¹⁷ = 13551467 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13682498 and 13682507.

It is not an unprimeable number, because it can be changed into a prime (13682509) 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 15 ways as a sum of consecutive naturals, for example, 19692 + ... + 20374.

It is an arithmetic number, because the mean of its divisors is an integer number (976752).

Almost surely, 2^13682539 is an apocalyptic number.

13682539 is a deficient number, since it is larger than the sum of its proper divisors (1945493).

13682539 is a wasteful number, since it uses less digits than its factorization.

13682539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 786.

The product of its digits is 38880, while the sum is 37.

The square root of 13682539 is about 3698.9916193471. The cubic root of 13682539 is about 239.1785515885.

The spelling of 13682539 in words is "thirteen million, six hundred eighty-two thousand, five hundred thirty-nine".