13650528 has 24 divisors (see below), whose sum is σ = 35832888. Its totient is φ = 4550144.

The previous prime is 13650517. The next prime is 13650529. The reversal of 13650528 is 82505631.

It is a tau number, because it is divible by the number of its divisors (24).

It is a junction number, because it is equal to n+sod(n) for n = 13650495 and 13650504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13650529) 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, 71001 + ... + 71192.

It is an arithmetic number, because the mean of its divisors is an integer number (1493037).

Almost surely, 2^13650528 is an apocalyptic number.

It is an amenable number.

13650528 is an abundant number, since it is smaller than the sum of its proper divisors (22182360).

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

13650528 is a wasteful number, since it uses less digits than its factorization.

13650528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142206 (or 142198 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 13650528 is about 3694.6620955102. The cubic root of 13650528 is about 238.9918824528.

The spelling of 13650528 in words is "thirteen million, six hundred fifty thousand, five hundred twenty-eight".