13221342860 has 24 divisors (see below), whose sum is σ = 30288895056. Its totient is φ = 4807760960.

The previous prime is 13221342851. The next prime is 13221342899. The reversal of 13221342860 is 6824312231.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30048287 + ... + 30048726.

It is an arithmetic number, because the mean of its divisors is an integer number (1262037294).

Almost surely, 2^13221342860 is an apocalyptic number.

13221342860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13221342860 is an abundant number, since it is smaller than the sum of its proper divisors (17067552196).

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

13221342860 is a wasteful number, since it uses less digits than its factorization.

13221342860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60097033 (or 60097031 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The spelling of 13221342860 in words is "thirteen billion, two hundred twenty-one million, three hundred forty-two thousand, eight hundred sixty".