12380666 has 8 divisors (see below), whose sum is σ = 19548480. Its totient is φ = 5864508.

The previous prime is 12380663. The next prime is 12380671. The reversal of 12380666 is 66608321.

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 (12380663) 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, 162866 + ... + 162941.

It is an arithmetic number, because the mean of its divisors is an integer number (2443560).

Almost surely, 2^12380666 is an apocalyptic number.

12380666 is a deficient number, since it is larger than the sum of its proper divisors (7167814).

12380666 is a wasteful number, since it uses less digits than its factorization.

12380666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325828.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 12380666 is about 3518.6170578794. The cubic root of 12380666 is about 231.3385464659.

Adding to 12380666 its reverse (66608321), we get a palindrome (78988987).

The spelling of 12380666 in words is "twelve million, three hundred eighty thousand, six hundred sixty-six".