12494638 has 8 divisors (see below), whose sum is σ = 20183688. Its totient is φ = 5766744.

The previous prime is 12494633. The next prime is 12494653. The reversal of 12494638 is 83649421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×12494638² = 312231957502088, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12494597 and 12494606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12494633) 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, 240256 + ... + 240307.

It is an arithmetic number, because the mean of its divisors is an integer number (2522961).

Almost surely, 2^12494638 is an apocalyptic number.

12494638 is a deficient number, since it is larger than the sum of its proper divisors (7689050).

12494638 is a wasteful number, since it uses less digits than its factorization.

12494638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480578.

The product of its digits is 41472, while the sum is 37.

The square root of 12494638 is about 3534.7755232829. The cubic root of 12494638 is about 232.0462526688.

The spelling of 12494638 in words is "twelve million, four hundred ninety-four thousand, six hundred thirty-eight".