12942338 has 8 divisors (see below), whose sum is σ = 20555532. Its totient is φ = 6090496.

The previous prime is 12942337. The next prime is 12942359. The reversal of 12942338 is 83324921.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 12369289 + 573049 = 3517^2 + 757^2 .

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

It is a super-2 number, since 2×12942338² = 335008225812488, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12942331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190295 + ... + 190362.

Almost surely, 2^12942338 is an apocalyptic number.

12942338 is a deficient number, since it is larger than the sum of its proper divisors (7613194).

12942338 is a wasteful number, since it uses less digits than its factorization.

12942338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380676.

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

The square root of 12942338 is about 3597.5461081131. The cubic root of 12942338 is about 234.7853056518.

The spelling of 12942338 in words is "twelve million, nine hundred forty-two thousand, three hundred thirty-eight".