13830528 has 32 divisors (see below), whose sum is σ = 36738360. Its totient is φ = 4610048.

The previous prime is 13830527. The next prime is 13830529. The reversal of 13830528 is 82503831.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13830527) and next prime (13830529).

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 13830495 and 13830504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13830527) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17625 + ... + 18392.

Almost surely, 2^13830528 is an apocalyptic number.

It is an amenable number.

13830528 is an abundant number, since it is smaller than the sum of its proper divisors (22907832).

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

13830528 is an equidigital number, since it uses as much as digits as its factorization.

13830528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36034 (or 36022 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 13830528 is about 3718.9417849706. The cubic root of 13830528 is about 240.0377718328.

The spelling of 13830528 in words is "thirteen million, eight hundred thirty thousand, five hundred twenty-eight".