12070666 has 8 divisors (see below), whose sum is σ = 18160740. Its totient is φ = 6017088.

The previous prime is 12070661. The next prime is 12070691. The reversal of 12070666 is 66607021.

It can be written as a sum of positive squares in 2 ways, for example, as 11799225 + 271441 = 3435^2 + 521^2 .

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

It is not an unprimeable number, because it can be changed into a prime (12070661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8281 + ... + 9628.

Almost surely, 2^12070666 is an apocalyptic number.

12070666 is a deficient number, since it is larger than the sum of its proper divisors (6090074).

12070666 is a wasteful number, since it uses less digits than its factorization.

12070666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18248.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 12070666 is about 3474.2864015507. The cubic root of 12070666 is about 229.3913713266.

Adding to 12070666 its reverse (66607021), we get a palindrome (78677687).

The spelling of 12070666 in words is "twelve million, seventy thousand, six hundred sixty-six".