11728814 has 16 divisors (see below), whose sum is σ = 18758400. Its totient is φ = 5484024.

The previous prime is 11728811. The next prime is 11728817. The reversal of 11728814 is 41882711.

It is an interprime number because it is at equal distance from previous prime (11728811) and next prime (11728817).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11728811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1049 + ... + 4955.

It is an arithmetic number, because the mean of its divisors is an integer number (1172400).

Almost surely, 2^11728814 is an apocalyptic number.

11728814 is a deficient number, since it is larger than the sum of its proper divisors (7029586).

11728814 is a wasteful number, since it uses less digits than its factorization.

11728814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4007.

The product of its digits is 3584, while the sum is 32.

The square root of 11728814 is about 3424.7356102333. The cubic root of 11728814 is about 227.2050777274.

The spelling of 11728814 in words is "eleven million, seven hundred twenty-eight thousand, eight hundred fourteen".