12066814 has 4 divisors (see below), whose sum is σ = 18100224. Its totient is φ = 6033406.

The previous prime is 12066811. The next prime is 12066829. The reversal of 12066814 is 41866021.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×12066814² = 291216000221192, which contains 22 as substring.

It is a congruent number.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3016702 + ... + 3016705.

It is an arithmetic number, because the mean of its divisors is an integer number (4525056).

Almost surely, 2^12066814 is an apocalyptic number.

12066814 is a deficient number, since it is larger than the sum of its proper divisors (6033410).

12066814 is an equidigital number, since it uses as much as digits as its factorization.

12066814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6033409.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 12066814 is about 3473.7319988738. The cubic root of 12066814 is about 229.3669675483.

It can be divided in two parts, 12066 and 814, that added together give a triangular number (12880 = T₁₆₀).

The spelling of 12066814 in words is "twelve million, sixty-six thousand, eight hundred fourteen".