12474638 has 16 divisors (see below), whose sum is σ = 20490624. Its totient is φ = 5648760.

The previous prime is 12474613. The next prime is 12474641. The reversal of 12474638 is 83647421.

It is a junction number, because it is equal to n+sod(n) for n = 12474598 and 12474607.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5831 + ... + 7677.

It is an arithmetic number, because the mean of its divisors is an integer number (1280664).

Almost surely, 2^12474638 is an apocalyptic number.

12474638 is a deficient number, since it is larger than the sum of its proper divisors (8015986).

12474638 is a wasteful number, since it uses less digits than its factorization.

12474638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2167.

The product of its digits is 32256, while the sum is 35.

The square root of 12474638 is about 3531.9453563157. The cubic root of 12474638 is about 231.9223754377.

It can be divided in two parts, 1247 and 4638, that added together give a palindrome (5885).

The spelling of 12474638 in words is "twelve million, four hundred seventy-four thousand, six hundred thirty-eight".