11572842 has 8 divisors (see below), whose sum is σ = 23145696. Its totient is φ = 3857612.

The previous prime is 11572831. The next prime is 11572849. The reversal of 11572842 is 24827511.

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

11572842 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (11572849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 964398 + ... + 964409.

It is an arithmetic number, because the mean of its divisors is an integer number (2893212).

Almost surely, 2^11572842 is an apocalyptic number.

11572842 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11572842 is a wasteful number, since it uses less digits than its factorization.

11572842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1928812.

The product of its digits is 4480, while the sum is 30.

The square root of 11572842 is about 3401.8880052112. Note that the first 3 decimals coincide. The cubic root of 11572842 is about 226.1934412922.

The spelling of 11572842 in words is "eleven million, five hundred seventy-two thousand, eight hundred forty-two".