11728588 has 6 divisors (see below), whose sum is σ = 20525036. Its totient is φ = 5864292.

The previous prime is 11728579. The next prime is 11728601. The reversal of 11728588 is 88582711.

It is a self number, because there is not a number n which added to its sum of digits gives 11728588.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1466070 + ... + 1466077.

Almost surely, 2^11728588 is an apocalyptic number.

It is an amenable number.

11728588 is a deficient number, since it is larger than the sum of its proper divisors (8796448).

11728588 is a wasteful number, since it uses less digits than its factorization.

11728588 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2932151 (or 2932149 counting only the distinct ones).

The product of its digits is 35840, while the sum is 40.

The square root of 11728588 is about 3424.7026148266. The cubic root of 11728588 is about 227.2036183961.

The spelling of 11728588 in words is "eleven million, seven hundred twenty-eight thousand, five hundred eighty-eight".