12776612 has 6 divisors (see below), whose sum is σ = 22359078. Its totient is φ = 6388304.

The previous prime is 12776611. The next prime is 12776623. The reversal of 12776612 is 21667721.

It can be written as a sum of positive squares in only one way, i.e., 12773476 + 3136 = 3574^2 + 56^2 .

It is not an unprimeable number, because it can be changed into a prime (12776611) by changing a digit.

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 as a sum of consecutive naturals, namely, 1597073 + ... + 1597080.

It is an arithmetic number, because the mean of its divisors is an integer number (3726513).

Almost surely, 2^12776612 is an apocalyptic number.

It is an amenable number.

12776612 is a deficient number, since it is larger than the sum of its proper divisors (9582466).

12776612 is a wasteful number, since it uses less digits than its factorization.

12776612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3194157 (or 3194155 counting only the distinct ones).

The product of its digits is 7056, while the sum is 32.

The square root of 12776612 is about 3574.4386971943. The cubic root of 12776612 is about 233.7788594297.

The spelling of 12776612 in words is "twelve million, seven hundred seventy-six thousand, six hundred twelve".