13428082 has 4 divisors (see below), whose sum is σ = 20142126. Its totient is φ = 6714040.

The previous prime is 13428061. The next prime is 13428089. The reversal of 13428082 is 28082431.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 13242321 + 185761 = 3639^2 + 431^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13428082.

It is not an unprimeable number, because it can be changed into a prime (13428089) 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 as a sum of consecutive naturals, namely, 3357019 + ... + 3357022.

Almost surely, 2^13428082 is an apocalyptic number.

13428082 is a deficient number, since it is larger than the sum of its proper divisors (6714044).

13428082 is an equidigital number, since it uses as much as digits as its factorization.

13428082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6714043.

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 13428082 is about 3664.4347449504. The cubic root of 13428082 is about 237.6865798850.

The spelling of 13428082 in words is "thirteen million, four hundred twenty-eight thousand, eighty-two".