13047682 has 4 divisors (see below), whose sum is σ = 19571526. Its totient is φ = 6523840.

The previous prime is 13047659. The next prime is 13047691. The reversal of 13047682 is 28674031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 28674031 = 23 ⋅1246697.

It can be written as a sum of positive squares in only one way, i.e., 13024881 + 22801 = 3609^2 + 151^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3261919 + ... + 3261922.

Almost surely, 2^13047682 is an apocalyptic number.

13047682 is a deficient number, since it is larger than the sum of its proper divisors (6523844).

13047682 is an equidigital number, since it uses as much as digits as its factorization.

13047682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6523843.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 13047682 is about 3612.1575270190. The cubic root of 13047682 is about 235.4205958081.

The spelling of 13047682 in words is "thirteen million, forty-seven thousand, six hundred eighty-two".