12663346 has 8 divisors (see below), whose sum is σ = 19010160. Its totient is φ = 6326628.

The previous prime is 12663341. The next prime is 12663349. The reversal of 12663346 is 64336621.

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 (12663341) 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, 3325 + ... + 6031.

It is an arithmetic number, because the mean of its divisors is an integer number (2376270).

Almost surely, 2^12663346 is an apocalyptic number.

12663346 is a deficient number, since it is larger than the sum of its proper divisors (6346814).

12663346 is a wasteful number, since it uses less digits than its factorization.

12663346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5048.

The product of its digits is 15552, while the sum is 31.

The square root of 12663346 is about 3558.5595400386. The cubic root of 12663346 is about 233.0859832353.

Adding to 12663346 its reverse (64336621), we get a palindrome (76999967).

The spelling of 12663346 in words is "twelve million, six hundred sixty-three thousand, three hundred forty-six".