12975238 has 8 divisors (see below), whose sum is σ = 20134080. Its totient is φ = 6263880.

The previous prime is 12975227. The next prime is 12975241. The reversal of 12975238 is 83257921.

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 = 12975197 and 12975206.

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 3 ways as a sum of consecutive naturals, for example, 111798 + ... + 111913.

It is an arithmetic number, because the mean of its divisors is an integer number (2516760).

Almost surely, 2^12975238 is an apocalyptic number.

12975238 is a deficient number, since it is larger than the sum of its proper divisors (7158842).

12975238 is a wasteful number, since it uses less digits than its factorization.

12975238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223742.

The product of its digits is 30240, while the sum is 37.

The square root of 12975238 is about 3602.1157671569. The cubic root of 12975238 is about 234.9840822174.

The spelling of 12975238 in words is "twelve million, nine hundred seventy-five thousand, two hundred thirty-eight".