12790560434 has 4 divisors (see below), whose sum is σ = 19185840654. Its totient is φ = 6395280216.

The previous prime is 12790560361. The next prime is 12790560439. The reversal of 12790560434 is 43406509721.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 6946722409 + 5843838025 = 83347^2 + 76445^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12790560391 and 12790560400.

It is not an unprimeable number, because it can be changed into a prime (12790560439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3197640107 + ... + 3197640110.

Almost surely, 2^12790560434 is an apocalyptic number.

12790560434 is a deficient number, since it is larger than the sum of its proper divisors (6395280220).

12790560434 is an equidigital number, since it uses as much as digits as its factorization.

12790560434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6395280219.

The product of its (nonzero) digits is 181440, while the sum is 41.

The spelling of 12790560434 in words is "twelve billion, seven hundred ninety million, five hundred sixty thousand, four hundred thirty-four".