11447842 has 16 divisors (see below), whose sum is σ = 20658240. Its totient is φ = 4647888.

The previous prime is 11447801. The next prime is 11447869. The reversal of 11447842 is 24874411.

It is a happy number.

11447842 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 21253 + ... + 21784.

It is an arithmetic number, because the mean of its divisors is an integer number (1291140).

Almost surely, 2^11447842 is an apocalyptic number.

11447842 is a deficient number, since it is larger than the sum of its proper divisors (9210398).

11447842 is a wasteful number, since it uses less digits than its factorization.

11447842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43065.

The product of its digits is 7168, while the sum is 31.

The square root of 11447842 is about 3383.4659744114. The cubic root of 11447842 is about 225.3761083981.

The spelling of 11447842 in words is "eleven million, four hundred forty-seven thousand, eight hundred forty-two".