11728052 has 36 divisors (see below), whose sum is σ = 24346980. Its totient is φ = 4927104.

The previous prime is 11728033. The next prime is 11728061. The reversal of 11728052 is 25082711.

It can be written as a sum of positive squares in 2 ways, for example, as 4351396 + 7376656 = 2086^2 + 2716^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9824 + ... + 10952.

It is an arithmetic number, because the mean of its divisors is an integer number (676305).

Almost surely, 2^11728052 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11728052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12173490).

11728052 is an abundant number, since it is smaller than the sum of its proper divisors (12618928).

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

11728052 is a wasteful number, since it uses less digits than its factorization.

11728052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1200 (or 1191 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 26.

The square root of 11728052 is about 3424.6243589626. The cubic root of 11728052 is about 227.2001572521.

The spelling of 11728052 in words is "eleven million, seven hundred twenty-eight thousand, fifty-two".