13582428 has 12 divisors (see below), whose sum is σ = 31692360. Its totient is φ = 4527472.

The previous prime is 13582427. The next prime is 13582447. The reversal of 13582428 is 82428531.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13582423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 565923 + ... + 565946.

It is an arithmetic number, because the mean of its divisors is an integer number (2641030).

Almost surely, 2^13582428 is an apocalyptic number.

It is an amenable number.

13582428 is an abundant number, since it is smaller than the sum of its proper divisors (18109932).

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

13582428 is a wasteful number, since it uses less digits than its factorization.

13582428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1131876 (or 1131874 counting only the distinct ones).

The product of its digits is 15360, while the sum is 33.

The square root of 13582428 is about 3685.4345741038. The cubic root of 13582428 is about 238.5937907117.

The spelling of 13582428 in words is "thirteen million, five hundred eighty-two thousand, four hundred twenty-eight".