11728750 has 40 divisors (see below), whose sum is σ = 24011064. Its totient is φ = 4260000.

The previous prime is 11728721. The next prime is 11728751. The reversal of 11728750 is 5782711.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11728751) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 13324 + ... + 14176.

Almost surely, 2^11728750 is an apocalyptic number.

11728750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11728750 is an abundant number, since it is smaller than the sum of its proper divisors (12282314).

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

11728750 is an equidigital number, since it uses as much as digits as its factorization.

11728750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 886 (or 871 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 31.

The square root of 11728750 is about 3424.7262664336. The cubic root of 11728750 is about 227.2046644673.

The spelling of 11728750 in words is "eleven million, seven hundred twenty-eight thousand, seven hundred fifty".