11728372 has 12 divisors (see below), whose sum is σ = 20575296. Its totient is φ = 5849720.

The previous prime is 11728363. The next prime is 11728373. The reversal of 11728372 is 27382711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11728373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1678 + ... + 5125.

It is an arithmetic number, because the mean of its divisors is an integer number (1714608).

Almost surely, 2^11728372 is an apocalyptic number.

It is an amenable number.

11728372 is a deficient number, since it is larger than the sum of its proper divisors (8846924).

11728372 is a wasteful number, since it uses less digits than its factorization.

11728372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7238 (or 7236 counting only the distinct ones).

The product of its digits is 4704, while the sum is 31.

The square root of 11728372 is about 3424.6710790965. The cubic root of 11728372 is about 227.2022236194.

It can be divided in two parts, 11728 and 372, that added together give a square (12100 = 110²).

The spelling of 11728372 in words is "eleven million, seven hundred twenty-eight thousand, three hundred seventy-two".