13079520 has 144 divisors (see below), whose sum is σ = 46230912. Its totient is φ = 3363840.

The previous prime is 13079519. The next prime is 13079569. The reversal of 13079520 is 2597031.

13079520 is a `hidden beast` number, since 130 + 7 + 9 + 520 = 666.

13079520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44494 + ... + 44786.

It is an arithmetic number, because the mean of its divisors is an integer number (321048).

Almost surely, 2^13079520 is an apocalyptic number.

13079520 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 13079520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23115456).

13079520 is an abundant number, since it is smaller than the sum of its proper divisors (33151392).

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

13079520 is a wasteful number, since it uses less digits than its factorization.

13079520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345 (or 334 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 27.

The square root of 13079520 is about 3616.5619032446. The cubic root of 13079520 is about 235.6119256466.

The spelling of 13079520 in words is "thirteen million, seventy-nine thousand, five hundred twenty".