11728248 has 48 divisors (see below), whose sum is σ = 34111080. Its totient is φ = 3350592.

The previous prime is 11728247. The next prime is 11728271. The reversal of 11728248 is 84282711.

It is a happy number.

It is a super-2 number, since 2×11728248² = 275103602299008, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11728247) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3811 + ... + 6162.

Almost surely, 2^11728248 is an apocalyptic number.

It is an amenable number.

11728248 is an abundant number, since it is smaller than the sum of its proper divisors (22382832).

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

11728248 is a wasteful number, since it uses less digits than its factorization.

11728248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9996 (or 9985 counting only the distinct ones).

The product of its digits is 7168, while the sum is 33.

The square root of 11728248 is about 3424.6529751203. The cubic root of 11728248 is about 227.2014229065.

The spelling of 11728248 in words is "eleven million, seven hundred twenty-eight thousand, two hundred forty-eight".