13528028 has 12 divisors (see below), whose sum is σ = 24437952. Its totient is φ = 6545760.

The previous prime is 13528027. The next prime is 13528033. The reversal of 13528028 is 82082531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13528027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54425 + ... + 54672.

It is an arithmetic number, because the mean of its divisors is an integer number (2036496).

Almost surely, 2^13528028 is an apocalyptic number.

It is an amenable number.

13528028 is a deficient number, since it is larger than the sum of its proper divisors (10909924).

13528028 is a wasteful number, since it uses less digits than its factorization.

13528028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109132 (or 109130 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 13528028 is about 3678.0467642487. The cubic root of 13528028 is about 238.2748278756.

The spelling of 13528028 in words is "thirteen million, five hundred twenty-eight thousand, twenty-eight".