11780894 has 4 divisors (see below), whose sum is σ = 17671344. Its totient is φ = 5890446.

The previous prime is 11780887. The next prime is 11780897. The reversal of 11780894 is 49808711.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11780897) 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 as a sum of consecutive naturals, namely, 2945222 + ... + 2945225.

It is an arithmetic number, because the mean of its divisors is an integer number (4417836).

Almost surely, 2^11780894 is an apocalyptic number.

11780894 is a deficient number, since it is larger than the sum of its proper divisors (5890450).

11780894 is an equidigital number, since it uses as much as digits as its factorization.

11780894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5890449.

The product of its (nonzero) digits is 16128, while the sum is 38.

The square root of 11780894 is about 3432.3306950234. The cubic root of 11780894 is about 227.5408709728.

The spelling of 11780894 in words is "eleven million, seven hundred eighty thousand, eight hundred ninety-four".