12007689 has 4 divisors (see below), whose sum is σ = 16010256. Its totient is φ = 8005124.

The previous prime is 12007669. The next prime is 12007747. The reversal of 12007689 is 98670021.

12007689 is digitally balanced in base 2 and base 4, 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 12007689 - 2⁷ = 12007561 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12007609) 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, 2001279 + ... + 2001284.

It is an arithmetic number, because the mean of its divisors is an integer number (4002564).

Almost surely, 2^12007689 is an apocalyptic number.

It is an amenable number.

12007689 is a deficient number, since it is larger than the sum of its proper divisors (4002567).

12007689 is an equidigital number, since it uses as much as digits as its factorization.

12007689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4002566.

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 12007689 is about 3465.2112489717. The cubic root of 12007689 is about 228.9917364472.

The spelling of 12007689 in words is "twelve million, seven thousand, six hundred eighty-nine".