13620512698 has 16 divisors (see below), whose sum is σ = 22006824840. Its totient is φ = 6285116736.

The previous prime is 13620512641. The next prime is 13620512699. The reversal of 13620512698 is 89621502631.

It can be written as a sum of positive squares in 4 ways, for example, as 12609717849 + 1010794849 = 112293^2 + 31793^2 .

It is not an unprimeable number, because it can be changed into a prime (13620512699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84436 + ... + 185392.

Almost surely, 2^13620512698 is an apocalyptic number.

13620512698 is a deficient number, since it is larger than the sum of its proper divisors (8386312142).

13620512698 is a wasteful number, since it uses less digits than its factorization.

13620512698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106161.

The product of its (nonzero) digits is 155520, while the sum is 43.

The spelling of 13620512698 in words is "thirteen billion, six hundred twenty million, five hundred twelve thousand, six hundred ninety-eight".