12797842 has 16 divisors (see below), whose sum is σ = 19647360. Its totient is φ = 6250608.

The previous prime is 12797833. The next prime is 12797879. The reversal of 12797842 is 24879721.

It is a junction number, because it is equal to n+sod(n) for n = 12797795 and 12797804.

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 in 7 ways as a sum of consecutive naturals, for example, 16528 + ... + 17284.

It is an arithmetic number, because the mean of its divisors is an integer number (1227960).

Almost surely, 2^12797842 is an apocalyptic number.

12797842 is a deficient number, since it is larger than the sum of its proper divisors (6849518).

12797842 is a wasteful number, since it uses less digits than its factorization.

12797842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 945.

The product of its digits is 56448, while the sum is 40.

The square root of 12797842 is about 3577.4071616186. The cubic root of 12797842 is about 233.9082724218.

It can be divided in two parts, 127 and 97842, that added together give a square (97969 = 313²).

The spelling of 12797842 in words is "twelve million, seven hundred ninety-seven thousand, eight hundred forty-two".