11727842 has 16 divisors (see below), whose sum is σ = 20295360. Its totient is φ = 4978608.

The previous prime is 11727839. The next prime is 11727857. The reversal of 11727842 is 24872711.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11727799 and 11727808.

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, 2417 + ... + 5412.

It is an arithmetic number, because the mean of its divisors is an integer number (1268460).

Almost surely, 2^11727842 is an apocalyptic number.

11727842 is a deficient number, since it is larger than the sum of its proper divisors (8567518).

11727842 is a wasteful number, since it uses less digits than its factorization.

11727842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7945.

The product of its digits is 6272, while the sum is 32.

The square root of 11727842 is about 3424.5936985283. The cubic root of 11727842 is about 227.1988011781.

The spelling of 11727842 in words is "eleven million, seven hundred twenty-seven thousand, eight hundred forty-two".