12274838 has 8 divisors (see below), whose sum is σ = 18431688. Its totient is φ = 6130944.

The previous prime is 12274837. The next prime is 12274883. The reversal of 12274838 is 83847221.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12274798 and 12274807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12274837) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 356 + ... + 4967.

It is an arithmetic number, because the mean of its divisors is an integer number (2303961).

Almost surely, 2^12274838 is an apocalyptic number.

12274838 is a deficient number, since it is larger than the sum of its proper divisors (6156850).

12274838 is a wasteful number, since it uses less digits than its factorization.

12274838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6478.

The product of its digits is 21504, while the sum is 35.

The square root of 12274838 is about 3503.5464889166. The cubic root of 12274838 is about 230.6775108040.

The spelling of 12274838 in words is "twelve million, two hundred seventy-four thousand, eight hundred thirty-eight".