13528306 has 16 divisors (see below), whose sum is σ = 22291200. Its totient is φ = 6106480.

The previous prime is 13528289. The next prime is 13528309. The reversal of 13528306 is 60382531.

It is a super-3 number, since 3×13528306³ (a number of 22 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (13528309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1215 + ... + 5341.

It is an arithmetic number, because the mean of its divisors is an integer number (1393200).

Almost surely, 2^13528306 is an apocalyptic number.

13528306 is a deficient number, since it is larger than the sum of its proper divisors (8762894).

13528306 is a wasteful number, since it uses less digits than its factorization.

13528306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4289.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 13528306 is about 3678.0845558524. The cubic root of 13528306 is about 238.2764600413.

It can be divided in two parts, 135 and 28306, that added together give a triangular number (28441 = T₂₃₈).

The spelling of 13528306 in words is "thirteen million, five hundred twenty-eight thousand, three hundred six".