11528940 has 24 divisors (see below), whose sum is σ = 32281200. Its totient is φ = 3074368.

The previous prime is 11528927. The next prime is 11528947. The reversal of 11528940 is 4982511.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 11528898 and 11528907.

It is not an unprimeable number, because it can be changed into a prime (11528947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96015 + ... + 96134.

It is an arithmetic number, because the mean of its divisors is an integer number (1345050).

Almost surely, 2^11528940 is an apocalyptic number.

11528940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11528940 is an abundant number, since it is smaller than the sum of its proper divisors (20752260).

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

11528940 is a wasteful number, since it uses less digits than its factorization.

11528940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192161 (or 192159 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 30.

The square root of 11528940 is about 3395.4292806654. The cubic root of 11528940 is about 225.9070544786.

The spelling of 11528940 in words is "eleven million, five hundred twenty-eight thousand, nine hundred forty".