13998528 has 56 divisors (see below), whose sum is σ = 41158160. Its totient is φ = 4665600.

The previous prime is 13998493. The next prime is 13998557. The reversal of 13998528 is 82589931.

It is a happy number.

13998528 is a `hidden beast` number, since 1 + 39 + 98 + 528 = 666.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2323 + ... + 5778.

Almost surely, 2^13998528 is an apocalyptic number.

13998528 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

13998528 is an abundant number, since it is smaller than the sum of its proper divisors (27159632).

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

13998528 is an equidigital number, since it uses as much as digits as its factorization.

13998528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8122 (or 8106 counting only the distinct ones).

The product of its digits is 155520, while the sum is 45.

The square root of 13998528 is about 3741.4606773291. The cubic root of 13998528 is about 241.0057791467.

The spelling of 13998528 in words is "thirteen million, nine hundred ninety-eight thousand, five hundred twenty-eight".