12710520 has 80 divisors (see below), whose sum is σ = 42732360. Its totient is φ = 3388608.

The previous prime is 12710507. The next prime is 12710521. The reversal of 12710520 is 2501721.

12710520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12710493 and 12710502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12710521) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1279 + ... + 5201.

Almost surely, 2^12710520 is an apocalyptic number.

12710520 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 12710520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21366180).

12710520 is an abundant number, since it is smaller than the sum of its proper divisors (30021840).

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

12710520 is a wasteful number, since it uses less digits than its factorization.

12710520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3946 (or 3933 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 18.

The square root of 12710520 is about 3565.1816223020. The cubic root of 12710520 is about 233.3750582979.

The spelling of 12710520 in words is "twelve million, seven hundred ten thousand, five hundred twenty".