13236732736 has 28 divisors (see below), whose sum is σ = 27649098880. Its totient is φ = 6270030720.

The previous prime is 13236732731. The next prime is 13236732757. The reversal of 13236732736 is 63723763231.

It is a super-2 number, since 2×13236732736² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13236732692 and 13236732701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13236732731) 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 3 ways as a sum of consecutive naturals, for example, 5441520 + ... + 5443951.

Almost surely, 2^13236732736 is an apocalyptic number.

13236732736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13236732736 is an abundant number, since it is smaller than the sum of its proper divisors (14412366144).

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

13236732736 is a wasteful number, since it uses less digits than its factorization.

13236732736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10885502 (or 10885492 counting only the distinct ones).

The product of its digits is 571536, while the sum is 43.

The spelling of 13236732736 in words is "thirteen billion, two hundred thirty-six million, seven hundred thirty-two thousand, seven hundred thirty-six".