13072108270786 has 4 divisors (see below), whose sum is σ = 19608162406182. Its totient is φ = 6536054135392.

The previous prime is 13072108270777. The next prime is 13072108270789. The reversal of 13072108270786 is 68707280127031.

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., 11788022690161 + 1284085580625 = 3433369^2 + 1133175^2 .

It is not an unprimeable number, because it can be changed into a prime (13072108270789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3268027067695 + ... + 3268027067698.

Almost surely, 2^{13072108270786} is an apocalyptic number.

13072108270786 is a deficient number, since it is larger than the sum of its proper divisors (6536054135396).

13072108270786 is an equidigital number, since it uses as much as digits as its factorization.

13072108270786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6536054135395.

The product of its (nonzero) digits is 1580544, while the sum is 52.

The spelling of 13072108270786 in words is "thirteen trillion, seventy-two billion, one hundred eight million, two hundred seventy thousand, seven hundred eighty-six".