11780799 has 4 divisors (see below), whose sum is σ = 15707736. Its totient is φ = 7853864.

The previous prime is 11780789. The next prime is 11780801. The reversal of 11780799 is 99708711.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11780799 - 2⁹ = 11780287 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11780799.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11780719) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1963464 + ... + 1963469.

It is an arithmetic number, because the mean of its divisors is an integer number (3926934).

Almost surely, 2^11780799 is an apocalyptic number.

11780799 is a deficient number, since it is larger than the sum of its proper divisors (3926937).

11780799 is an equidigital number, since it uses as much as digits as its factorization.

11780799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3926936.

The product of its (nonzero) digits is 31752, while the sum is 42.

The square root of 11780799 is about 3432.3168560027. The cubic root of 11780799 is about 227.5402593486.

The spelling of 11780799 in words is "eleven million, seven hundred eighty thousand, seven hundred ninety-nine".