11727142 has 16 divisors (see below), whose sum is σ = 21162240. Its totient is φ = 4761288.

The previous prime is 11727139. The next prime is 11727143. The reversal of 11727142 is 24172711.

11727142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11727143) 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, 21778 + ... + 22309.

It is an arithmetic number, because the mean of its divisors is an integer number (1322640).

Almost surely, 2^11727142 is an apocalyptic number.

11727142 is a deficient number, since it is larger than the sum of its proper divisors (9435098).

11727142 is a wasteful number, since it uses less digits than its factorization.

11727142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44115.

The product of its digits is 784, while the sum is 25.

The square root of 11727142 is about 3424.4914950982. The cubic root of 11727142 is about 227.1942808147.

Adding to 11727142 its reverse (24172711), we get a palindrome (35899853).

The spelling of 11727142 in words is "eleven million, seven hundred twenty-seven thousand, one hundred forty-two".