11864528 has 20 divisors (see below), whose sum is σ = 24756228. Its totient is φ = 5475840.

The previous prime is 11864507. The next prime is 11864543. The reversal of 11864528 is 82546811.

It can be written as a sum of positive squares in 2 ways, for example, as 3055504 + 8809024 = 1748^2 + 2968^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28313 + ... + 28728.

Almost surely, 2^11864528 is an apocalyptic number.

It is an amenable number.

11864528 is an abundant number, since it is smaller than the sum of its proper divisors (12891700).

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

11864528 is a wasteful number, since it uses less digits than its factorization.

11864528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57062 (or 57056 counting only the distinct ones).

The product of its digits is 15360, while the sum is 35.

The square root of 11864528 is about 3444.4924154366. The cubic root of 11864528 is about 228.0780485847.

It can be divided in two parts, 118 and 64528, that added together give a palindrome (64646).

The spelling of 11864528 in words is "eleven million, eight hundred sixty-four thousand, five hundred twenty-eight".