12080069 has 4 divisors (see below), whose sum is σ = 12225696. Its totient is φ = 11934444.

The previous prime is 12080027. The next prime is 12080141. The reversal of 12080069 is 96008021.

12080069 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, and also an emirpimes, since its reverse is a distinct semiprime: 96008021 = 229 ⋅419249.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12080069 is a prime.

It is a super-2 number, since 2×12080069² = 291856134089522, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12080869) 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, 72689 + ... + 72854.

It is an arithmetic number, because the mean of its divisors is an integer number (3056424).

Almost surely, 2^12080069 is an apocalyptic number.

It is an amenable number.

12080069 is a deficient number, since it is larger than the sum of its proper divisors (145627).

12080069 is an equidigital number, since it uses as much as digits as its factorization.

12080069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145626.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 12080069 is about 3475.6393656420. The cubic root of 12080069 is about 229.4509208499.

The spelling of 12080069 in words is "twelve million, eighty thousand, sixty-nine".