13425028 has 12 divisors (see below), whose sum is σ = 24304140. Its totient is φ = 6480992.

The previous prime is 13425017. The next prime is 13425047. The reversal of 13425028 is 82052431.

It can be written as a sum of positive squares in 2 ways, for example, as 3069504 + 10355524 = 1752^2 + 3218^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13424993 and 13425011.

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 in 3 ways as a sum of consecutive naturals, for example, 57751 + ... + 57982.

It is an arithmetic number, because the mean of its divisors is an integer number (2025345).

Almost surely, 2^13425028 is an apocalyptic number.

13425028 is the 1959-th centered heptagonal number.

It is an amenable number.

13425028 is a deficient number, since it is larger than the sum of its proper divisors (10879112).

13425028 is a wasteful number, since it uses less digits than its factorization.

13425028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115766 (or 115764 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 13425028 is about 3664.0180130562. The cubic root of 13425028 is about 237.6685591964.

Adding to 13425028 its reverse (82052431), we get a palindrome (95477459).

The spelling of 13425028 in words is "thirteen million, four hundred twenty-five thousand, twenty-eight".