13559628 has 18 divisors (see below), whose sum is σ = 31668924. Its totient is φ = 4515624.

The previous prime is 13559603. The next prime is 13559657. The reversal of 13559628 is 82695531.

It is a super-2 number, since 2×13559628² = 367727022996768, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12225 + ... + 13287.

Almost surely, 2^13559628 is an apocalyptic number.

It is an amenable number.

13559628 is an abundant number, since it is smaller than the sum of its proper divisors (18109296).

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

13559628 is an equidigital number, since it uses as much as digits as its factorization.

13559628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2133 (or 1068 counting only the distinct ones).

The product of its digits is 64800, while the sum is 39.

The square root of 13559628 is about 3682.3400168914. The cubic root of 13559628 is about 238.4602116205.

The spelling of 13559628 in words is "thirteen million, five hundred fifty-nine thousand, six hundred twenty-eight".