12635738 has 8 divisors (see below), whose sum is σ = 19103232. Its totient is φ = 6267996.

The previous prime is 12635729. The next prime is 12635761. The reversal of 12635738 is 83753621.

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

It is a junction number, because it is equal to n+sod(n) for n = 12635698 and 12635707.

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 in 3 ways as a sum of consecutive naturals, for example, 24620 + ... + 25127.

It is an arithmetic number, because the mean of its divisors is an integer number (2387904).

Almost surely, 2^12635738 is an apocalyptic number.

12635738 is a deficient number, since it is larger than the sum of its proper divisors (6467494).

12635738 is a wasteful number, since it uses less digits than its factorization.

12635738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49876.

The product of its digits is 30240, while the sum is 35.

The square root of 12635738 is about 3554.6783258123. The cubic root of 12635738 is about 232.9164724823.

The spelling of 12635738 in words is "twelve million, six hundred thirty-five thousand, seven hundred thirty-eight".