12474238 has 8 divisors (see below), whose sum is σ = 21384432. Its totient is φ = 5346096.

The previous prime is 12474229. The next prime is 12474251. The reversal of 12474238 is 83247421.

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

It is a super-2 number, since 2×12474238² = 311213227361288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 445495 + ... + 445522.

It is an arithmetic number, because the mean of its divisors is an integer number (2673054).

Almost surely, 2^12474238 is an apocalyptic number.

12474238 is a deficient number, since it is larger than the sum of its proper divisors (8910194).

12474238 is an equidigital number, since it uses as much as digits as its factorization.

12474238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 891026.

The product of its digits is 10752, while the sum is 31.

The square root of 12474238 is about 3531.8887298441. Note that the first 3 decimals coincide. The cubic root of 12474238 is about 231.9198965430.

The spelling of 12474238 in words is "twelve million, four hundred seventy-four thousand, two hundred thirty-eight".