12598197767236 has 9 divisors (see below), whose sum is σ = 22046858515549. Its totient is φ = 6299095334224.

The previous prime is 12598197767231. The next prime is 12598197767237. The reversal of 12598197767236 is 63276779189521.

The square root of 12598197767236 is 3549394.

It is a perfect power (a square), and thus also a powerful number.

12598197767236 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 12509307922500 + 88889844736 = 3536850^2 + 298144^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12598197767231) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 6211440 + ... + 7986136.

Almost surely, 2^{12598197767236} is an apocalyptic number.

12598197767236 is the 3549394-th square number.

It is an amenable number.

12598197767236 is a deficient number, since it is larger than the sum of its proper divisors (9448660748313).

12598197767236 is an frugal number, since it uses more digits than its factorization.

12598197767236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3549398 (or 1774699 counting only the distinct ones).

The product of its digits is 480090240, while the sum is 73.

The spelling of 12598197767236 in words is "twelve trillion, five hundred ninety-eight billion, one hundred ninety-seven million, seven hundred sixty-seven thousand, two hundred thirty-six".