13712396436 has 18 divisors (see below), whose sum is σ = 34661891082. Its totient is φ = 4570798800.

The previous prime is 13712396429. The next prime is 13712396437. The reversal of 13712396436 is 63469321731.

13712396436 is a `hidden beast` number, since 1 + 3 + 7 + 123 + 96 + 436 = 666.

It can be written as a sum of positive squares in only one way, i.e., 13687596036 + 24800400 = 116994^2 + 4980^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a junction number, because it is equal to n+sod(n) for n = 13712396391 and 13712396400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13712396437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 190449915 + ... + 190449986.

Almost surely, 2^13712396436 is an apocalyptic number.

It is an amenable number.

13712396436 is an abundant number, since it is smaller than the sum of its proper divisors (20949494646).

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

13712396436 is a wasteful number, since it uses less digits than its factorization.

13712396436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380899911 (or 380899906 counting only the distinct ones).

The product of its digits is 489888, while the sum is 45.

The spelling of 13712396436 in words is "thirteen billion, seven hundred twelve million, three hundred ninety-six thousand, four hundred thirty-six".