13896334720 has 32 divisors (see below), whose sum is σ = 33220926720. Its totient is φ = 5558533632.

The previous prime is 13896334717. The next prime is 13896334729. The reversal of 13896334720 is 2743369831.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13896334729) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10855872 + ... + 10857151.

It is an arithmetic number, because the mean of its divisors is an integer number (1038153960).

Almost surely, 2^13896334720 is an apocalyptic number.

13896334720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13896334720 is an abundant number, since it is smaller than the sum of its proper divisors (19324592000).

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

13896334720 is an equidigital number, since it uses as much as digits as its factorization.

13896334720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21713042 (or 21713030 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 46.

The spelling of 13896334720 in words is "thirteen billion, eight hundred ninety-six million, three hundred thirty-four thousand, seven hundred twenty".