12776994 has 64 divisors (see below), whose sum is σ = 30240000. Its totient is φ = 3991680.

The previous prime is 12776993. The next prime is 12777041. The reversal of 12776994 is 49967721.

It is not an unprimeable number, because it can be changed into a prime (12776993) 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 in 31 ways as a sum of consecutive naturals, for example, 64107 + ... + 64305.

It is an arithmetic number, because the mean of its divisors is an integer number (472500).

Almost surely, 2^12776994 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12776994, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15120000).

12776994 is an abundant number, since it is smaller than the sum of its proper divisors (17463006).

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

12776994 is a wasteful number, since it uses less digits than its factorization.

12776994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280 (or 274 counting only the distinct ones).

The product of its digits is 190512, while the sum is 45.

The square root of 12776994 is about 3574.4921317580. The cubic root of 12776994 is about 233.7811892762.

The spelling of 12776994 in words is "twelve million, seven hundred seventy-six thousand, nine hundred ninety-four".