11673128 has 8 divisors (see below), whose sum is σ = 21887130. Its totient is φ = 5836560.

The previous prime is 11673097. The next prime is 11673131. The reversal of 11673128 is 82137611.

It can be written as a sum of positive squares in only one way, i.e., 9872164 + 1800964 = 3142^2 + 1342^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 11673128.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 729563 + ... + 729578.

Almost surely, 2^11673128 is an apocalyptic number.

It is an amenable number.

11673128 is a deficient number, since it is larger than the sum of its proper divisors (10214002).

11673128 is a wasteful number, since it uses less digits than its factorization.

11673128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1459147 (or 1459143 counting only the distinct ones).

The product of its digits is 2016, while the sum is 29.

The square root of 11673128 is about 3416.5959667482. The cubic root of 11673128 is about 226.8449328114.

It can be divided in two parts, 116 and 73128, that multiplied together give a palindrome (8482848).

The spelling of 11673128 in words is "eleven million, six hundred seventy-three thousand, one hundred twenty-eight".