12270570 has 64 divisors (see below), whose sum is σ = 32223744. Its totient is φ = 2972160.

The previous prime is 12270563. The next prime is 12270571. The reversal of 12270570 is 7507221.

It is a self number, because there is not a number n which added to its sum of digits gives 12270570.

It is not an unprimeable number, because it can be changed into a prime (12270571) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28255 + ... + 28685.

It is an arithmetic number, because the mean of its divisors is an integer number (503496).

Almost surely, 2^12270570 is an apocalyptic number.

12270570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12270570, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16111872).

12270570 is an abundant number, since it is smaller than the sum of its proper divisors (19953174).

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

12270570 is a wasteful number, since it uses less digits than its factorization.

12270570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527.

The product of its (nonzero) digits is 980, while the sum is 24.

The square root of 12270570 is about 3502.9373388629. The cubic root of 12270570 is about 230.6507719380.

Adding to 12270570 its reverse (7507221), we get a palindrome (19777791).

The spelling of 12270570 in words is "twelve million, two hundred seventy thousand, five hundred seventy".