12812068 has 6 divisors (see below), whose sum is σ = 22421126. Its totient is φ = 6406032.

The previous prime is 12812057. The next prime is 12812071. The reversal of 12812068 is 86021821.

It can be written as a sum of positive squares in only one way, i.e., 12616704 + 195364 = 3552^2 + 442^2 .

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 as a sum of consecutive naturals, namely, 1601505 + ... + 1601512.

Almost surely, 2^12812068 is an apocalyptic number.

It is an amenable number.

12812068 is a deficient number, since it is larger than the sum of its proper divisors (9609058).

12812068 is a wasteful number, since it uses less digits than its factorization.

12812068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3203021 (or 3203019 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 28.

The square root of 12812068 is about 3579.3949209329. The cubic root of 12812068 is about 233.9949106449.

Adding to 12812068 its reverse (86021821), we get a palindrome (98833889).

The spelling of 12812068 in words is "twelve million, eight hundred twelve thousand, sixty-eight".