11728983 has 24 divisors (see below), whose sum is σ = 18457968. Its totient is φ = 6604416.

The previous prime is 11728973. The next prime is 11729009. The reversal of 11728983 is 38982711.

It is not a de Polignac number, because 11728983 - 2⁴ = 11728967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11728903) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10185 + ... + 11277.

It is an arithmetic number, because the mean of its divisors is an integer number (769082).

Almost surely, 2^11728983 is an apocalyptic number.

11728983 is a deficient number, since it is larger than the sum of its proper divisors (6728985).

11728983 is a wasteful number, since it uses less digits than its factorization.

11728983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1183 (or 1176 counting only the distinct ones).

The product of its digits is 24192, while the sum is 39.

The square root of 11728983 is about 3424.7602835819. The cubic root of 11728983 is about 227.2061689850.

The spelling of 11728983 in words is "eleven million, seven hundred twenty-eight thousand, nine hundred eighty-three".