12522660 has 48 divisors (see below), whose sum is σ = 35392896. Its totient is φ = 3308032.

The previous prime is 12522647. The next prime is 12522677. The reversal of 12522660 is 6622521.

12522660 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 12522660.

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, 5857 + ... + 7703.

It is an arithmetic number, because the mean of its divisors is an integer number (737352).

Almost surely, 2^12522660 is an apocalyptic number.

12522660 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 12522660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17696448).

12522660 is an abundant number, since it is smaller than the sum of its proper divisors (22870236).

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

12522660 is a wasteful number, since it uses less digits than its factorization.

12522660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1972 (or 1970 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 12522660 is about 3538.7370628517. The cubic root of 12522660 is about 232.2195948954.

The spelling of 12522660 in words is "twelve million, five hundred twenty-two thousand, six hundred sixty".