12528620 has 24 divisors (see below), whose sum is σ = 28334544. Its totient is φ = 4625856.

The previous prime is 12528613. The next prime is 12528623. The reversal of 12528620 is 2682521.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 12528620.

It is not an unprimeable number, because it can be changed into a prime (12528623) 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, 23834 + ... + 24353.

It is an arithmetic number, because the mean of its divisors is an integer number (1180606).

Almost surely, 2^12528620 is an apocalyptic number.

12528620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12528620 is an abundant number, since it is smaller than the sum of its proper divisors (15805924).

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

12528620 is a wasteful number, since it uses less digits than its factorization.

12528620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48209 (or 48207 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 12528620 is about 3539.5790710196. The cubic root of 12528620 is about 232.2564297019.

The spelling of 12528620 in words is "twelve million, five hundred twenty-eight thousand, six hundred twenty".