13478528 has 64 divisors (see below), whose sum is σ = 31416000. Its totient is φ = 5757696.

The previous prime is 13478513. The next prime is 13478537. The reversal of 13478528 is 82587431.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 13478491 and 13478500.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43751 + ... + 44057.

It is an arithmetic number, because the mean of its divisors is an integer number (490875).

Almost surely, 2^13478528 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13478528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15708000).

13478528 is an abundant number, since it is smaller than the sum of its proper divisors (17937472).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13478528 is an frugal number, since it uses more digits than its factorization.

13478528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342 (or 316 counting only the distinct ones).

The product of its digits is 53760, while the sum is 38.

The square root of 13478528 is about 3671.3114822908. The cubic root of 13478528 is about 237.9838512688.

The spelling of 13478528 in words is "thirteen million, four hundred seventy-eight thousand, five hundred twenty-eight".