12522260 has 12 divisors (see below), whose sum is σ = 26296788. Its totient is φ = 5008896.

The previous prime is 12522253. The next prime is 12522269. The reversal of 12522260 is 6222521.

12522260 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 5626384 + 6895876 = 2372^2 + 2626^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 626113 = 12522260 / (1 + 2 + 5 + 2 + 2 + 2 + 6 + 0).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12522269) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 313037 + ... + 313076.

It is an arithmetic number, because the mean of its divisors is an integer number (2191399).

Almost surely, 2^12522260 is an apocalyptic number.

12522260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12522260 is an abundant number, since it is smaller than the sum of its proper divisors (13774528).

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

12522260 is a wasteful number, since it uses less digits than its factorization.

12522260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626122 (or 626120 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 12522260 is about 3538.6805450620. The cubic root of 12522260 is about 232.2171223423.

Adding to 12522260 its reverse (6222521), we get a palindrome (18744781).

The spelling of 12522260 in words is "twelve million, five hundred twenty-two thousand, two hundred sixty".