12342938 has 4 divisors (see below), whose sum is σ = 18514410. Its totient is φ = 6171468.

The previous prime is 12342937. The next prime is 12342947. The reversal of 12342938 is 83924321.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83924321 = 13 ⋅6455717.

It can be written as a sum of positive squares in only one way, i.e., 10582009 + 1760929 = 3253^2 + 1327^2 .

It is not an unprimeable number, because it can be changed into a prime (12342931) 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 as a sum of consecutive naturals, namely, 3085733 + ... + 3085736.

Almost surely, 2^12342938 is an apocalyptic number.

12342938 is a deficient number, since it is larger than the sum of its proper divisors (6171472).

12342938 is an equidigital number, since it uses as much as digits as its factorization.

12342938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6171471.

The product of its digits is 10368, while the sum is 32.

The square root of 12342938 is about 3513.2517700842. The cubic root of 12342938 is about 231.1033189112.

The spelling of 12342938 in words is "twelve million, three hundred forty-two thousand, nine hundred thirty-eight".