12066319 has 4 divisors (see below), whose sum is σ = 12091000. Its totient is φ = 12041640.

The previous prime is 12066293. The next prime is 12066331. The reversal of 12066319 is 91366021.

12066319 is digitally balanced in base 2 and base 3, 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 an emirpimes, since its reverse is a distinct semiprime: 91366021 = 31 ⋅2947291.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12066319 is a prime.

It is a super-2 number, since 2×12066319² = 291192108419522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12066419) 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, 11592 + ... + 12589.

It is an arithmetic number, because the mean of its divisors is an integer number (3022750).

Almost surely, 2^12066319 is an apocalyptic number.

12066319 is a deficient number, since it is larger than the sum of its proper divisors (24681).

12066319 is an equidigital number, since it uses as much as digits as its factorization.

12066319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24680.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 12066319 is about 3473.6607491233. The cubic root of 12066319 is about 229.3638311722.

The spelling of 12066319 in words is "twelve million, sixty-six thousand, three hundred nineteen".