13224100 has 18 divisors (see below), whose sum is σ = 28696514. Its totient is φ = 5289600.

The previous prime is 13224097. The next prime is 13224119. The reversal of 13224100 is 142231.

It can be written as a sum of positive squares in 3 ways, for example, as 1016064 + 12208036 = 1008^2 + 3494^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 66021 + ... + 66220.

Almost surely, 2^13224100 is an apocalyptic number.

13224100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13224100 is an abundant number, since it is smaller than the sum of its proper divisors (15472414).

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

13224100 is a wasteful number, since it uses less digits than its factorization.

13224100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132255 (or 132248 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 13224100 is about 3636.4955657886. The cubic root of 13224100 is about 236.4768916629.

Adding to 13224100 its reverse (142231), we get a palindrome (13366331).

The spelling of 13224100 in words is "thirteen million, two hundred twenty-four thousand, one hundred".