12759520 has 48 divisors (see below), whose sum is σ = 31924368. Its totient is φ = 4802560.

The previous prime is 12759511. The next prime is 12759521. The reversal of 12759520 is 2595721.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12759521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 375 + ... + 5065.

It is an arithmetic number, because the mean of its divisors is an integer number (665091).

Almost surely, 2^12759520 is an apocalyptic number.

12759520 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 12759520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15962184).

12759520 is an abundant number, since it is smaller than the sum of its proper divisors (19164848).

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

12759520 is a wasteful number, since it uses less digits than its factorization.

12759520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4723 (or 4715 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 31.

The square root of 12759520 is about 3572.0470321652. The cubic root of 12759520 is about 233.6745664875.

The spelling of 12759520 in words is "twelve million, seven hundred fifty-nine thousand, five hundred twenty".