12762638 has 24 divisors (see below), whose sum is σ = 22993344. Its totient is φ = 5292000.

The previous prime is 12762613. The next prime is 12762649. The reversal of 12762638 is 83626721.

It is a happy number.

12762638 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12762598 and 12762607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 938 + ... + 5138.

It is an arithmetic number, because the mean of its divisors is an integer number (958056).

Almost surely, 2^12762638 is an apocalyptic number.

12762638 is a deficient number, since it is larger than the sum of its proper divisors (10230706).

12762638 is a wasteful number, since it uses less digits than its factorization.

12762638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4248 (or 4241 counting only the distinct ones).

The product of its digits is 24192, while the sum is 35.

The square root of 12762638 is about 3572.4834499267. The cubic root of 12762638 is about 233.6935990206.

The spelling of 12762638 in words is "twelve million, seven hundred sixty-two thousand, six hundred thirty-eight".