13528155 has 16 divisors (see below), whose sum is σ = 22173984. Its totient is φ = 7038720.

The previous prime is 13528129. The next prime is 13528159. The reversal of 13528155 is 55182531.

13528155 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13528155 - 2⁷ = 13528027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13528159) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10384 + ... + 11613.

It is an arithmetic number, because the mean of its divisors is an integer number (1385874).

Almost surely, 2^13528155 is an apocalyptic number.

13528155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13528155 is a deficient number, since it is larger than the sum of its proper divisors (8645829).

13528155 is a wasteful number, since it uses less digits than its factorization.

13528155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22046.

The product of its digits is 6000, while the sum is 30.

The square root of 13528155 is about 3678.0640288065. The cubic root of 13528155 is about 238.2755735081.

The spelling of 13528155 in words is "thirteen million, five hundred twenty-eight thousand, one hundred fifty-five".