12530022 has 16 divisors (see below), whose sum is σ = 25096512. Its totient is φ = 4170600.

The previous prime is 12530017. The next prime is 12530027. The reversal of 12530022 is 22003521.

It is an interprime number because it is at equal distance from previous prime (12530017) and next prime (12530027).

It is a junction number, because it is equal to n+sod(n) for n = 12529983 and 12530010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12530027) 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, 5313 + ... + 7299.

It is an arithmetic number, because the mean of its divisors is an integer number (1568532).

Almost surely, 2^12530022 is an apocalyptic number.

12530022 is an abundant number, since it is smaller than the sum of its proper divisors (12566490).

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

12530022 is a wasteful number, since it uses less digits than its factorization.

12530022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3043.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 12530022 is about 3539.7771116272. Note that the first 3 decimals coincide. The cubic root of 12530022 is about 232.2650928366.

Adding to 12530022 its reverse (22003521), we get a palindrome (34533543).

The spelling of 12530022 in words is "twelve million, five hundred thirty thousand, twenty-two".