13236502500 has 405 divisors, whose sum is σ = 46054221213. Its totient is φ = 3202992000.

The previous prime is 13236502469. The next prime is 13236502519. The reversal of 13236502500 is 520563231.

The square root of 13236502500 is 115050.

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

13236502500 is a `hidden beast` number, since 1 + 3 + 2 + 3 + 650 + 2 + 5 + 0 + 0 = 666.

It can be written as a sum of positive squares in 7 ways, for example, as 13074092964 + 162409536 = 114342^2 + 12744^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 134 ways as a sum of consecutive naturals, for example, 224347471 + ... + 224347529.

Almost surely, 2^13236502500 is an apocalyptic number.

13236502500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13236502500 is the 115050-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13236502500

13236502500 is an abundant number, since it is smaller than the sum of its proper divisors (32817718713).

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

13236502500 is a wasteful number, since it uses less digits than its factorization.

13236502500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174 (or 82 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The spelling of 13236502500 in words is "thirteen billion, two hundred thirty-six million, five hundred two thousand, five hundred".