11780814 has 8 divisors (see below), whose sum is σ = 23561640. Its totient is φ = 3926936.

The previous prime is 11780801. The next prime is 11780819. The reversal of 11780814 is 41808711.

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

11780814 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11780819) 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, 981729 + ... + 981740.

It is an arithmetic number, because the mean of its divisors is an integer number (2945205).

Almost surely, 2^11780814 is an apocalyptic number.

11780814 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11780814 is a wasteful number, since it uses less digits than its factorization.

11780814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1963474.

The product of its (nonzero) digits is 1792, while the sum is 30.

The square root of 11780814 is about 3432.3190411149. The cubic root of 11780814 is about 227.5403559210.

The spelling of 11780814 in words is "eleven million, seven hundred eighty thousand, eight hundred fourteen".