12328066 has 4 divisors (see below), whose sum is σ = 18492102. Its totient is φ = 6164032.

The previous prime is 12328051. The next prime is 12328079. The reversal of 12328066 is 66082321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66082321 = 1951 ⋅33871.

It can be written as a sum of positive squares in only one way, i.e., 11758041 + 570025 = 3429^2 + 755^2 .

It is a super-2 number, since 2×12328066² = 303962422600712, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3082015 + ... + 3082018.

Almost surely, 2^12328066 is an apocalyptic number.

12328066 is a deficient number, since it is larger than the sum of its proper divisors (6164036).

12328066 is an equidigital number, since it uses as much as digits as its factorization.

12328066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6164035.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 12328066 is about 3511.1345744645. The cubic root of 12328066 is about 231.0104628482.

The spelling of 12328066 in words is "twelve million, three hundred twenty-eight thousand, sixty-six".