12631334 has 4 divisors (see below), whose sum is σ = 18947004. Its totient is φ = 6315666.

The previous prime is 12631303. The next prime is 12631337. The reversal of 12631334 is 43313621.

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 (12631337) 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, 3157832 + ... + 3157835.

It is an arithmetic number, because the mean of its divisors is an integer number (4736751).

Almost surely, 2^12631334 is an apocalyptic number.

12631334 is a deficient number, since it is larger than the sum of its proper divisors (6315670).

12631334 is an equidigital number, since it uses as much as digits as its factorization.

12631334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6315669.

The product of its digits is 1296, while the sum is 23.

The square root of 12631334 is about 3554.0588064915. The cubic root of 12631334 is about 232.8894094715.

Adding to 12631334 its reverse (43313621), we get a palindrome (55944955).

The spelling of 12631334 in words is "twelve million, six hundred thirty-one thousand, three hundred thirty-four".