13028518 has 4 divisors (see below), whose sum is σ = 19542780. Its totient is φ = 6514258.

The previous prime is 13028503. The next prime is 13028531. The reversal of 13028518 is 81582031.

13028518 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3257128 + ... + 3257131.

It is an arithmetic number, because the mean of its divisors is an integer number (4885695).

Almost surely, 2^13028518 is an apocalyptic number.

13028518 is a deficient number, since it is larger than the sum of its proper divisors (6514262).

13028518 is an equidigital number, since it uses as much as digits as its factorization.

13028518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6514261.

The product of its (nonzero) digits is 1920, while the sum is 28.

The square root of 13028518 is about 3609.5038440207. The cubic root of 13028518 is about 235.3052800268.

The spelling of 13028518 in words is "thirteen million, twenty-eight thousand, five hundred eighteen".