13228524 has 36 divisors (see below), whose sum is σ = 34594560. Its totient is φ = 4257120.

The previous prime is 13228489. The next prime is 13228529. The reversal of 13228524 is 42582231.

13228524 is a `hidden beast` number, since 132 + 2 + 8 + 524 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (13228529) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5292 + ... + 7379.

It is an arithmetic number, because the mean of its divisors is an integer number (960960).

Almost surely, 2^13228524 is an apocalyptic number.

It is an amenable number.

13228524 is an abundant number, since it is smaller than the sum of its proper divisors (21366036).

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

13228524 is a wasteful number, since it uses less digits than its factorization.

13228524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12710 (or 12705 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 13228524 is about 3637.1037928550. The cubic root of 13228524 is about 236.5032591064.

The spelling of 13228524 in words is "thirteen million, two hundred twenty-eight thousand, five hundred twenty-four".