11807042 has 16 divisors (see below), whose sum is σ = 19164600. Its totient is φ = 5423232.

The previous prime is 11807041. The next prime is 11807053. The reversal of 11807042 is 24070811.

It can be written as a sum of positive squares in 4 ways, for example, as 8231161 + 3575881 = 2869^2 + 1891^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11806999 and 11807017.

It is not an unprimeable number, because it can be changed into a prime (11807041) 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, 5084 + ... + 7032.

Almost surely, 2^11807042 is an apocalyptic number.

11807042 is a deficient number, since it is larger than the sum of its proper divisors (7357558).

11807042 is a wasteful number, since it uses less digits than its factorization.

11807042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2197.

The product of its (nonzero) digits is 448, while the sum is 23.

The square root of 11807042 is about 3436.1376573123. The cubic root of 11807042 is about 227.7090908676.

Adding to 11807042 its reverse (24070811), we get a palindrome (35877853).

The spelling of 11807042 in words is "eleven million, eight hundred seven thousand, forty-two".