11728590 has 16 divisors (see below), whose sum is σ = 28148688. Its totient is φ = 3127616.

The previous prime is 11728579. The next prime is 11728601. The reversal of 11728590 is 9582711.

It is an interprime number because it is at equal distance from previous prime (11728579) and next prime (11728601).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195447 + ... + 195506.

It is an arithmetic number, because the mean of its divisors is an integer number (1759293).

Almost surely, 2^11728590 is an apocalyptic number.

11728590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11728590 is an abundant number, since it is smaller than the sum of its proper divisors (16420098).

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

11728590 is a wasteful number, since it uses less digits than its factorization.

11728590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390963.

The product of its (nonzero) digits is 5040, while the sum is 33.

The square root of 11728590 is about 3424.7029068227. The cubic root of 11728590 is about 227.2036313106.

The spelling of 11728590 in words is "eleven million, seven hundred twenty-eight thousand, five hundred ninety".