12016869 has 8 divisors (see below), whose sum is σ = 16202880. Its totient is φ = 7921056.

The previous prime is 12016861. The next prime is 12016877. The reversal of 12016869 is 96861021.

It is an interprime number because it is at equal distance from previous prime (12016861) and next prime (12016877).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12016869 - 2³ = 12016861 is a prime.

It is a super-2 number, since 2×12016869² = 288810281126322, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12016861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22237 + ... + 22770.

It is an arithmetic number, because the mean of its divisors is an integer number (2025360).

Almost surely, 2^12016869 is an apocalyptic number.

It is an amenable number.

12016869 is a deficient number, since it is larger than the sum of its proper divisors (4186011).

12016869 is an equidigital number, since it uses as much as digits as its factorization.

12016869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45099.

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 12016869 is about 3466.5355904707. The cubic root of 12016869 is about 229.0500770839.

The spelling of 12016869 in words is "twelve million, sixteen thousand, eight hundred sixty-nine".