11780842 has 8 divisors (see below), whose sum is σ = 17846532. Its totient is φ = 5832000.

The previous prime is 11780833. The next prime is 11780849. The reversal of 11780842 is 24808711.

It can be written as a sum of positive squares in 2 ways, for example, as 11758041 + 22801 = 3429^2 + 151^2 .

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

It is not an unprimeable number, because it can be changed into a prime (11780849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28959 + ... + 29362.

Almost surely, 2^11780842 is an apocalyptic number.

11780842 is a deficient number, since it is larger than the sum of its proper divisors (6065690).

11780842 is a wasteful number, since it uses less digits than its factorization.

11780842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58424.

The product of its (nonzero) digits is 3584, while the sum is 31.

The square root of 11780842 is about 3432.3231199874. The cubic root of 11780842 is about 227.5405361894.

The spelling of 11780842 in words is "eleven million, seven hundred eighty thousand, eight hundred forty-two".