12738331796 has 6 divisors (see below), whose sum is σ = 22292080650. Its totient is φ = 6369165896.

The previous prime is 12738331789. The next prime is 12738331819. The reversal of 12738331796 is 69713383721.

It can be written as a sum of positive squares in only one way, i.e., 6384010000 + 6354321796 = 79900^2 + 79714^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1592291471 + ... + 1592291478.

It is an arithmetic number, because the mean of its divisors is an integer number (3715346775).

Almost surely, 2^12738331796 is an apocalyptic number.

It is an amenable number.

12738331796 is a deficient number, since it is larger than the sum of its proper divisors (9553748854).

12738331796 is a wasteful number, since it uses less digits than its factorization.

12738331796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3184582953 (or 3184582951 counting only the distinct ones).

The product of its digits is 1143072, while the sum is 50.

The spelling of 12738331796 in words is "twelve billion, seven hundred thirty-eight million, three hundred thirty-one thousand, seven hundred ninety-six".