13421033300 has 72 divisors (see below), whose sum is σ = 29794509696. Its totient is φ = 5245148160.

The previous prime is 13421033293. The next prime is 13421033309. The reversal of 13421033300 is 333012431.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13421033309) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3160979 + ... + 3165221.

Almost surely, 2^13421033300 is an apocalyptic number.

13421033300 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 13421033300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14897254848).

13421033300 is an abundant number, since it is smaller than the sum of its proper divisors (16373476396).

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

13421033300 is a wasteful number, since it uses less digits than its factorization.

13421033300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4977 (or 4970 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 13421033300 its reverse (333012431), we get a palindrome (13754045731).

The spelling of 13421033300 in words is "thirteen billion, four hundred twenty-one million, thirty-three thousand, three hundred".