13238701520 has 160 divisors (see below), whose sum is σ = 34328088576. Its totient is φ = 4707648000.

The previous prime is 13238701501. The next prime is 13238701613. The reversal of 13238701520 is 2510783231.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8902217 + ... + 8903703.

Almost surely, 2^13238701520 is an apocalyptic number.

13238701520 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 13238701520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17164044288).

13238701520 is an abundant number, since it is smaller than the sum of its proper divisors (21089387056).

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

13238701520 is a wasteful number, since it uses less digits than its factorization.

13238701520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1729 (or 1723 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The spelling of 13238701520 in words is "thirteen billion, two hundred thirty-eight million, seven hundred one thousand, five hundred twenty".