12070520 has 64 divisors (see below), whose sum is σ = 33868800. Its totient is φ = 3761280.

The previous prime is 12070517. The next prime is 12070543. The reversal of 12070520 is 2507021.

12070520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1121 + ... + 5039.

It is an arithmetic number, because the mean of its divisors is an integer number (529200).

Almost surely, 2^12070520 is an apocalyptic number.

12070520 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 12070520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16934400).

12070520 is an abundant number, since it is smaller than the sum of its proper divisors (21798280).

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

12070520 is a wasteful number, since it uses less digits than its factorization.

12070520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3948 (or 3944 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 17.

The square root of 12070520 is about 3474.2653899781. The cubic root of 12070520 is about 229.3904464598.

Adding to 12070520 its reverse (2507021), we get a palindrome (14577541).

The spelling of 12070520 in words is "twelve million, seventy thousand, five hundred twenty".