11728148 has 6 divisors (see below), whose sum is σ = 20524266. Its totient is φ = 5864072.

The previous prime is 11728141. The next prime is 11728177. The reversal of 11728148 is 84182711.

11728148 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 11303044 + 425104 = 3362^2 + 652^2 .

It is a super-3 number, since 3×11728148³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11728141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1466015 + ... + 1466022.

It is an arithmetic number, because the mean of its divisors is an integer number (3420711).

Almost surely, 2^11728148 is an apocalyptic number.

It is an amenable number.

11728148 is a deficient number, since it is larger than the sum of its proper divisors (8796118).

11728148 is a wasteful number, since it uses less digits than its factorization.

11728148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2932041 (or 2932039 counting only the distinct ones).

The product of its digits is 3584, while the sum is 32.

The square root of 11728148 is about 3424.6383750697. The cubic root of 11728148 is about 227.2007771662.

The spelling of 11728148 in words is "eleven million, seven hundred twenty-eight thousand, one hundred forty-eight".