12767654738 has 32 divisors (see below), whose sum is σ = 20713339440. Its totient is φ = 5879910400.

The previous prime is 12767654719. The next prime is 12767654771. The reversal of 12767654738 is 83745676721.

It is a happy number.

12767654738 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 11327983489 + 1439671249 = 106433^2 + 37943^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 713768 + ... + 731436.

Almost surely, 2^12767654738 is an apocalyptic number.

12767654738 is a deficient number, since it is larger than the sum of its proper divisors (7945684702).

12767654738 is a wasteful number, since it uses less digits than its factorization.

12767654738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18142.

The product of its digits is 11854080, while the sum is 56.

The spelling of 12767654738 in words is "twelve billion, seven hundred sixty-seven million, six hundred fifty-four thousand, seven hundred thirty-eight".