12808942 has 8 divisors (see below), whose sum is σ = 19296576. Its totient is φ = 6376752.

The previous prime is 12808937. The next prime is 12808949. The reversal of 12808942 is 24980821.

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

It is a junction number, because it is equal to n+sod(n) for n = 12808898 and 12808907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12808949) 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, 13278 + ... + 14209.

It is an arithmetic number, because the mean of its divisors is an integer number (2412072).

Almost surely, 2^12808942 is an apocalyptic number.

12808942 is a deficient number, since it is larger than the sum of its proper divisors (6487634).

12808942 is a wasteful number, since it uses less digits than its factorization.

12808942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27722.

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 12808942 is about 3578.9582283117. The cubic root of 12808942 is about 233.9758783911.

The spelling of 12808942 in words is "twelve million, eight hundred eight thousand, nine hundred forty-two".