12069871 has 12 divisors (see below), whose sum is σ = 13846896. Its totient is φ = 10493120.

The previous prime is 12069851. The next prime is 12069877. The reversal of 12069871 is 17896021.

It is a happy number.

It is not a de Polignac number, because 12069871 - 2⁹ = 12069359 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 (12069877) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 615 + ... + 4951.

It is an arithmetic number, because the mean of its divisors is an integer number (1153908).

Almost surely, 2^12069871 is an apocalyptic number.

12069871 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12069871 is a deficient number, since it is larger than the sum of its proper divisors (1777025).

12069871 is a wasteful number, since it uses less digits than its factorization.

12069871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4382 (or 4371 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 12069871 is about 3474.1719876828. The cubic root of 12069871 is about 229.3863351465.

The spelling of 12069871 in words is "twelve million, sixty-nine thousand, eight hundred seventy-one".