13012643236698 has 48 divisors (see below), whose sum is σ = 32264688658176. Its totient is φ = 3712947444000.

The previous prime is 13012643236693. The next prime is 13012643236709. The reversal of 13012643236698 is 89663234621031.

13012643236698 is a `hidden beast` number, since 1 + 30 + 126 + 43 + 2 + 366 + 98 = 666.

It is not an unprimeable number, because it can be changed into a prime (13012643236693) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 68663661 + ... + 68852912.

It is an arithmetic number, because the mean of its divisors is an integer number (672181013712).

Almost surely, 2^{13012643236698} is an apocalyptic number.

13012643236698 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

13012643236698 is an abundant number, since it is smaller than the sum of its proper divisors (19252045421478).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13012643236698 is a wasteful number, since it uses less digits than its factorization.

13012643236698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137517339 (or 137517336 counting only the distinct ones).

The product of its (nonzero) digits is 6718464, while the sum is 54.

The spelling of 13012643236698 in words is "thirteen trillion, twelve billion, six hundred forty-three million, two hundred thirty-six thousand, six hundred ninety-eight".