12634966 has 4 divisors (see below), whose sum is σ = 18952452. Its totient is φ = 6317482.

The previous prime is 12634933. The next prime is 12634967. The reversal of 12634966 is 66943621.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12634967) 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 as a sum of consecutive naturals, namely, 3158740 + ... + 3158743.

It is an arithmetic number, because the mean of its divisors is an integer number (4738113).

Almost surely, 2^12634966 is an apocalyptic number.

12634966 is a deficient number, since it is larger than the sum of its proper divisors (6317486).

12634966 is an equidigital number, since it uses as much as digits as its factorization.

12634966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6317485.

The product of its digits is 46656, while the sum is 37.

The square root of 12634966 is about 3554.5697348624. The cubic root of 12634966 is about 232.9117289213.

The spelling of 12634966 in words is "twelve million, six hundred thirty-four thousand, nine hundred sixty-six".