12067789 has 4 divisors (see below), whose sum is σ = 12185056. Its totient is φ = 11950524.

The previous prime is 12067787. The next prime is 12067823. The reversal of 12067789 is 98776021.

12067789 is digitally balanced in base 2 and base 3, because in such bases 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 a cyclic number.

It is not a de Polignac number, because 12067789 - 2¹ = 12067787 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 (12067787) 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, 58479 + ... + 58684.

It is an arithmetic number, because the mean of its divisors is an integer number (3046264).

Almost surely, 2^12067789 is an apocalyptic number.

It is an amenable number.

12067789 is a deficient number, since it is larger than the sum of its proper divisors (117267).

12067789 is a wasteful number, since it uses less digits than its factorization.

12067789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117266.

The product of its (nonzero) digits is 42336, while the sum is 40.

The square root of 12067789 is about 3473.8723350175. The cubic root of 12067789 is about 229.3731450080.

The spelling of 12067789 in words is "twelve million, sixty-seven thousand, seven hundred eighty-nine".