12310066 has 4 divisors (see below), whose sum is σ = 18465102. Its totient is φ = 6155032.

The previous prime is 12310033. The next prime is 12310073. The reversal of 12310066 is 66001321.

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

It can be written as a sum of positive squares in only one way, i.e., 7403841 + 4906225 = 2721^2 + 2215^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3077515 + ... + 3077518.

Almost surely, 2^12310066 is an apocalyptic number.

12310066 is a deficient number, since it is larger than the sum of its proper divisors (6155036).

12310066 is an equidigital number, since it uses as much as digits as its factorization.

12310066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6155035.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 12310066 is about 3508.5703641227. The cubic root of 12310066 is about 230.8979765983.

Adding to 12310066 its reverse (66001321), we get a palindrome (78311387).

It can be divided in two parts, 12 and 310066, that added together give a triangular number (310078 = T₇₈₇).

The spelling of 12310066 in words is "twelve million, three hundred ten thousand, sixty-six".