11784742 has 4 divisors (see below), whose sum is σ = 17677116. Its totient is φ = 5892370.

The previous prime is 11784727. The next prime is 11784749. The reversal of 11784742 is 24748711.

11784742 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24748711 = 13 ⋅1903747.

It is a junction number, because it is equal to n+sod(n) for n = 11784698 and 11784707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11784749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2946184 + ... + 2946187.

It is an arithmetic number, because the mean of its divisors is an integer number (4419279).

Almost surely, 2^11784742 is an apocalyptic number.

11784742 is a deficient number, since it is larger than the sum of its proper divisors (5892374).

11784742 is an equidigital number, since it uses as much as digits as its factorization.

11784742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5892373.

The product of its digits is 12544, while the sum is 34.

The square root of 11784742 is about 3432.8912013054. The cubic root of 11784742 is about 227.5656422100.

The spelling of 11784742 in words is "eleven million, seven hundred eighty-four thousand, seven hundred forty-two".