13283528 has 16 divisors (see below), whose sum is σ = 26371980. Its totient is φ = 6251008.

The previous prime is 13283521. The next prime is 13283539. The reversal of 13283528 is 82538231.

It can be written as a sum of positive squares in 2 ways, for example, as 11546404 + 1737124 = 3398^2 + 1318^2 .

It is a super-2 number, since 2×13283528² = 352904232253568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13283494 and 13283503.

It is not an unprimeable number, because it can be changed into a prime (13283521) 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, 48701 + ... + 48972.

Almost surely, 2^13283528 is an apocalyptic number.

It is an amenable number.

13283528 is a deficient number, since it is larger than the sum of its proper divisors (13088452).

13283528 is a wasteful number, since it uses less digits than its factorization.

13283528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97696 (or 97692 counting only the distinct ones).

The product of its digits is 11520, while the sum is 32.

The square root of 13283528 is about 3644.6574598994. The cubic root of 13283528 is about 236.8305981431.

The spelling of 13283528 in words is "thirteen million, two hundred eighty-three thousand, five hundred twenty-eight".