11728894 has 8 divisors (see below), whose sum is σ = 17608248. Its totient is φ = 5859480.

The previous prime is 11728891. The next prime is 11728903. The reversal of 11728894 is 49882711.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11728891) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2344 + ... + 5380.

It is an arithmetic number, because the mean of its divisors is an integer number (2201031).

Almost surely, 2^11728894 is an apocalyptic number.

11728894 is a deficient number, since it is larger than the sum of its proper divisors (5879354).

11728894 is a wasteful number, since it uses less digits than its factorization.

11728894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4970.

The product of its digits is 32256, while the sum is 40.

The square root of 11728894 is about 3424.7472899471. The cubic root of 11728894 is about 227.2055943004.

It can be divided in two parts, 1172889 and 4, that multiplied together give a square (4691556 = 2166²).

The spelling of 11728894 in words is "eleven million, seven hundred twenty-eight thousand, eight hundred ninety-four".