12066819 has 8 divisors (see below), whose sum is σ = 16105152. Its totient is φ = 8036520.

The previous prime is 12066811. The next prime is 12066829. The reversal of 12066819 is 91866021.

12066819 is nontrivially palindromic in base 11.

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

It is not a de Polignac number, because 12066819 - 2³ = 12066811 is a prime.

It is a super-2 number, since 2×12066819² = 291216241557522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12066819.

It is not an unprimeable number, because it can be changed into a prime (12066811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4752 + ... + 6834.

It is an arithmetic number, because the mean of its divisors is an integer number (2013144).

Almost surely, 2^12066819 is an apocalyptic number.

12066819 is a deficient number, since it is larger than the sum of its proper divisors (4038333).

12066819 is a wasteful number, since it uses less digits than its factorization.

12066819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4017.

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

The square root of 12066819 is about 3473.7327185608. The cubic root of 12066819 is about 229.3669992284.

The spelling of 12066819 in words is "twelve million, sixty-six thousand, eight hundred nineteen".