12768122 has 8 divisors (see below), whose sum is σ = 20278836. Its totient is φ = 6008512.

The previous prime is 12768121. The next prime is 12768137. The reversal of 12768122 is 22186721.

It can be written as a sum of positive squares in 2 ways, for example, as 12538681 + 229441 = 3541^2 + 479^2 .

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

It is not an unprimeable number, because it can be changed into a prime (12768121) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 187733 + ... + 187800.

Almost surely, 2^12768122 is an apocalyptic number.

12768122 is a deficient number, since it is larger than the sum of its proper divisors (7510714).

12768122 is a wasteful number, since it uses less digits than its factorization.

12768122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375552.

The product of its digits is 2688, while the sum is 29.

The square root of 12768122 is about 3573.2509007905. The cubic root of 12768122 is about 233.7270662964.

The spelling of 12768122 in words is "twelve million, seven hundred sixty-eight thousand, one hundred twenty-two".