13028018 has 32 divisors (see below), whose sum is σ = 21818160. Its totient is φ = 5806080.

The previous prime is 13028009. The next prime is 13028023. The reversal of 13028018 is 81082031.

13028018 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 4635409 + 8392609 = 2153^2 + 2897^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13027984 and 13028002.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71888 + ... + 72068.

Almost surely, 2^13028018 is an apocalyptic number.

13028018 is a deficient number, since it is larger than the sum of its proper divisors (8790142).

13028018 is a wasteful number, since it uses less digits than its factorization.

13028018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302.

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 13028018 is about 3609.4345817593. The cubic root of 13028018 is about 235.3022698573.

The spelling of 13028018 in words is "thirteen million, twenty-eight thousand, eighteen".