13285209600 has 480 divisors, whose sum is σ = 52531950240. Its totient is φ = 3269099520.

The previous prime is 13285209593. The next prime is 13285209601. The reversal of 13285209600 is 690258231.

13285209600 is a `hidden beast` number, since 1 + 3 + 28 + 5 + 20 + 9 + 600 = 666.

It is a tau number, because it is divible by the number of its divisors (480).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13285209601) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4491322 + ... + 4494278.

It is an arithmetic number, because the mean of its divisors is an integer number (109441563).

Almost surely, 2^13285209600 is an apocalyptic number.

13285209600 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 13285209600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26265975120).

13285209600 is an abundant number, since it is smaller than the sum of its proper divisors (39246740640).

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

13285209600 is a wasteful number, since it uses less digits than its factorization.

13285209600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3007 (or 2980 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The spelling of 13285209600 in words is "thirteen billion, two hundred eighty-five million, two hundred nine thousand, six hundred".