12766842 has 32 divisors (see below), whose sum is σ = 30951360. Its totient is φ = 3868560.

The previous prime is 12766801. The next prime is 12766883. The reversal of 12766842 is 24866721.

It is an interprime number because it is at equal distance from previous prime (12766801) and next prime (12766883).

It is a junction number, because it is equal to n+sod(n) for n = 12766797 and 12766806.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 10153 + ... + 11340.

It is an arithmetic number, because the mean of its divisors is an integer number (967230).

Almost surely, 2^12766842 is an apocalyptic number.

12766842 is an abundant number, since it is smaller than the sum of its proper divisors (18184518).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12766842 is a wasteful number, since it uses less digits than its factorization.

12766842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21515 (or 21509 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 12766842 is about 3573.0717876919. The cubic root of 12766842 is about 233.7192556818.

It can be divided in two parts, 1276 and 6842, that added together give a palindrome (8118).

The spelling of 12766842 in words is "twelve million, seven hundred sixty-six thousand, eight hundred forty-two".