13421003200 has 84 divisors (see below), whose sum is σ = 36026290152. Its totient is φ = 4880358400.

The previous prime is 13421003159. The next prime is 13421003201. The reversal of 13421003200 is 230012431.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13421003201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 363679 + ... + 398878.

Almost surely, 2^13421003200 is an apocalyptic number.

13421003200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13421003200 is an abundant number, since it is smaller than the sum of its proper divisors (22605286952).

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

13421003200 is a wasteful number, since it uses less digits than its factorization.

13421003200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 762590 (or 762575 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 13421003200 its reverse (230012431), we get a palindrome (13651015631).

The spelling of 13421003200 in words is "thirteen billion, four hundred twenty-one million, three thousand, two hundred".