12942346 has 4 divisors (see below), whose sum is σ = 19413522. Its totient is φ = 6471172.

The previous prime is 12942337. The next prime is 12942359. The reversal of 12942346 is 64324921.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 6964321 + 5978025 = 2639^2 + 2445^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3235585 + ... + 3235588.

Almost surely, 2^12942346 is an apocalyptic number.

12942346 is a deficient number, since it is larger than the sum of its proper divisors (6471176).

12942346 is an equidigital number, since it uses as much as digits as its factorization.

12942346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6471175.

The product of its digits is 10368, while the sum is 31.

The square root of 12942346 is about 3597.5472199820. The cubic root of 12942346 is about 234.7853540275.

The spelling of 12942346 in words is "twelve million, nine hundred forty-two thousand, three hundred forty-six".