12738265347 has 32 divisors (see below), whose sum is σ = 17516556288. Its totient is φ = 8229495456.

The previous prime is 12738265333. The next prime is 12738265369. The reversal of 12738265347 is 74356283721.

It is not a de Polignac number, because 12738265347 - 2⁸ = 12738265091 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12738265296 and 12738265305.

It is not an unprimeable number, because it can be changed into a prime (12738265387) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10414978 + ... + 10416200.

It is an arithmetic number, because the mean of its divisors is an integer number (547392384).

Almost surely, 2^12738265347 is an apocalyptic number.

12738265347 is a deficient number, since it is larger than the sum of its proper divisors (4778290941).

12738265347 is a wasteful number, since it uses less digits than its factorization.

12738265347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1839.

The product of its digits is 1693440, while the sum is 48.

The spelling of 12738265347 in words is "twelve billion, seven hundred thirty-eight million, two hundred sixty-five thousand, three hundred forty-seven".