12638614 has 4 divisors (see below), whose sum is σ = 18957924. Its totient is φ = 6319306.

The previous prime is 12638581. The next prime is 12638621. The reversal of 12638614 is 41683621.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 41683621 = 7 ⋅5954803.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

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, 3159652 + ... + 3159655.

It is an arithmetic number, because the mean of its divisors is an integer number (4739481).

Almost surely, 2^12638614 is an apocalyptic number.

12638614 is a deficient number, since it is larger than the sum of its proper divisors (6319310).

12638614 is an equidigital number, since it uses as much as digits as its factorization.

12638614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6319309.

The product of its digits is 6912, while the sum is 31.

The square root of 12638614 is about 3555.0828401037. The cubic root of 12638614 is about 232.9341423896.

The spelling of 12638614 in words is "twelve million, six hundred thirty-eight thousand, six hundred fourteen".