11994789 has 4 divisors (see below), whose sum is σ = 15993056. Its totient is φ = 7996524.

The previous prime is 11994779. The next prime is 11994793. The reversal of 11994789 is 98749911.

11994789 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 a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 11994789 - 2⁹ = 11994277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11994779) 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, 1999129 + ... + 1999134.

It is an arithmetic number, because the mean of its divisors is an integer number (3998264).

Almost surely, 2^11994789 is an apocalyptic number.

It is an amenable number.

11994789 is a deficient number, since it is larger than the sum of its proper divisors (3998267).

11994789 is an equidigital number, since it uses as much as digits as its factorization.

11994789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3998266.

The product of its digits is 163296, while the sum is 48.

The square root of 11994789 is about 3463.3493904023. The cubic root of 11994789 is about 228.9097042352.

The spelling of 11994789 in words is "eleven million, nine hundred ninety-four thousand, seven hundred eighty-nine".