12528241 has 8 divisors (see below), whose sum is σ = 13891968. Its totient is φ = 11202000.

The previous prime is 12528233. The next prime is 12528259. The reversal of 12528241 is 14282521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12528241 - 2³ = 12528233 is a prime.

It is a Duffinian number.

It is a zygodrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (12528211) 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, 8665 + ... + 10006.

It is an arithmetic number, because the mean of its divisors is an integer number (1736496).

Almost surely, 2^12528241 is an apocalyptic number.

12528241 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12528241 is a deficient number, since it is larger than the sum of its proper divisors (1363727).

12528241 is a wasteful number, since it uses less digits than its factorization.

12528241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18743.

The product of its digits is 1280, while the sum is 25.

The square root of 12528241 is about 3539.5255331753. The cubic root of 12528241 is about 232.2540877022.

It can be divided in two parts, 12528 and 241, that added together give a square (12769 = 113²).

The spelling of 12528241 in words is "twelve million, five hundred twenty-eight thousand, two hundred forty-one".