13865528 has 32 divisors (see below), whose sum is σ = 26972400. Its totient is φ = 6676992.

The previous prime is 13865521. The next prime is 13865543. The reversal of 13865528 is 82556831.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 13865491 and 13865500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13865521) by changing a digit.

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, 40976 + ... + 41312.

Almost surely, 2^13865528 is an apocalyptic number.

It is an amenable number.

13865528 is a deficient number, since it is larger than the sum of its proper divisors (13106872).

13865528 is a wasteful number, since it uses less digits than its factorization.

13865528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519 (or 515 counting only the distinct ones).

The product of its digits is 57600, while the sum is 38.

The square root of 13865528 is about 3723.6444513406. The cubic root of 13865528 is about 240.2400838263.

The spelling of 13865528 in words is "thirteen million, eight hundred sixty-five thousand, five hundred twenty-eight".