12992942 has 4 divisors (see below), whose sum is σ = 19489416. Its totient is φ = 6496470.

The previous prime is 12992933. The next prime is 12992971. The reversal of 12992942 is 24929921.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24929921 = 31 ⋅804191.

It is a junction number, because it is equal to n+sod(n) for n = 12992896 and 12992905.

It is a congruent 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, 3248234 + ... + 3248237.

It is an arithmetic number, because the mean of its divisors is an integer number (4872354).

Almost surely, 2^12992942 is an apocalyptic number.

12992942 is a deficient number, since it is larger than the sum of its proper divisors (6496474).

12992942 is an equidigital number, since it uses as much as digits as its factorization.

12992942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6496473.

The product of its digits is 23328, while the sum is 38.

The square root of 12992942 is about 3604.5723740827. The cubic root of 12992942 is about 235.0909079399.

The spelling of 12992942 in words is "twelve million, nine hundred ninety-two thousand, nine hundred forty-two".