13265463120 has 320 divisors, whose sum is σ = 53591569920. Its totient is φ = 2634153984.

The previous prime is 13265463091. The next prime is 13265463143. The reversal of 13265463120 is 2136456231.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 353416 + ... + 389144.

It is an arithmetic number, because the mean of its divisors is an integer number (167473656).

Almost surely, 2^13265463120 is an apocalyptic number.

13265463120 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 13265463120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26795784960).

13265463120 is an abundant number, since it is smaller than the sum of its proper divisors (40326106800).

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

13265463120 is a wasteful number, since it uses less digits than its factorization.

13265463120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35782 (or 35776 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

The spelling of 13265463120 in words is "thirteen billion, two hundred sixty-five million, four hundred sixty-three thousand, one hundred twenty".