12716526436 has 24 divisors (see below), whose sum is σ = 22325476824. Its totient is φ = 6337843200.

The previous prime is 12716526401. The next prime is 12716526437. The reversal of 12716526436 is 63462561721.

It can be written as a sum of positive squares in 4 ways, for example, as 4883214400 + 7833312036 = 69880^2 + 88506^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12716526392 and 12716526401.

It is not an unprimeable number, because it can be changed into a prime (12716526437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3836716 + ... + 3840028.

It is an arithmetic number, because the mean of its divisors is an integer number (930228201).

Almost surely, 2^12716526436 is an apocalyptic number.

It is an amenable number.

12716526436 is a deficient number, since it is larger than the sum of its proper divisors (9608950388).

12716526436 is a wasteful number, since it uses less digits than its factorization.

12716526436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6111 (or 6109 counting only the distinct ones).

The product of its digits is 362880, while the sum is 43.

The spelling of 12716526436 in words is "twelve billion, seven hundred sixteen million, five hundred twenty-six thousand, four hundred thirty-six".