11047842 has 48 divisors (see below), whose sum is σ = 26627328. Its totient is φ = 3287520.

The previous prime is 11047783. The next prime is 11047847. The reversal of 11047842 is 24874011.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (11047847) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6493 + ... + 8015.

It is an arithmetic number, because the mean of its divisors is an integer number (554736).

Almost surely, 2^11047842 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11047842, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13313664).

11047842 is an abundant number, since it is smaller than the sum of its proper divisors (15579486).

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

11047842 is a wasteful number, since it uses less digits than its factorization.

11047842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1575 (or 1572 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 11047842 is about 3323.8294180057. The cubic root of 11047842 is about 222.7199659461.

It can be divided in two parts, 1104 and 7842, that multiplied together give a palindrome (8657568).

The spelling of 11047842 in words is "eleven million, forty-seven thousand, eight hundred forty-two".