13243857200 has 360 divisors, whose sum is σ = 38871512064. Its totient is φ = 4318272000.

The previous prime is 13243857181. The next prime is 13243857229. The reversal of 13243857200 is 275834231.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 43139447 + ... + 43139753.

Almost surely, 2^13243857200 is an apocalyptic number.

13243857200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13243857200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19435756032).

13243857200 is an abundant number, since it is smaller than the sum of its proper divisors (25627654864).

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

13243857200 is a wasteful number, since it uses less digits than its factorization.

13243857200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441 (or 423 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 35.

The spelling of 13243857200 in words is "thirteen billion, two hundred forty-three million, eight hundred fifty-seven thousand, two hundred".