11928528 has 30 divisors (see below), whose sum is σ = 33383714. Its totient is φ = 3976128.

The previous prime is 11928517. The next prime is 11928529. The reversal of 11928528 is 82582911.

It can be written as a sum of positive squares in only one way, i.e., 6110784 + 5817744 = 2472^2 + 2412^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 11928492 and 11928501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11928529) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 41275 + ... + 41562.

Almost surely, 2^11928528 is an apocalyptic number.

11928528 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

11928528 is an abundant number, since it is smaller than the sum of its proper divisors (21455186).

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

11928528 is a wasteful number, since it uses less digits than its factorization.

11928528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82851 (or 82842 counting only the distinct ones).

The product of its digits is 11520, while the sum is 36.

The square root of 11928528 is about 3453.7701139479. The cubic root of 11928528 is about 228.4874152549.

The spelling of 11928528 in words is "eleven million, nine hundred twenty-eight thousand, five hundred twenty-eight".