12528430 has 8 divisors (see below), whose sum is σ = 22551192. Its totient is φ = 5011368.

The previous prime is 12528427. The next prime is 12528431. The reversal of 12528430 is 3482521.

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

It is a junction number, because it is equal to n+sod(n) for n = 12528395 and 12528404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12528431) 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, 626412 + ... + 626431.

It is an arithmetic number, because the mean of its divisors is an integer number (2818899).

Almost surely, 2^12528430 is an apocalyptic number.

12528430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12528430 is a deficient number, since it is larger than the sum of its proper divisors (10022762).

12528430 is a wasteful number, since it uses less digits than its factorization.

12528430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1252850.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 12528430 is about 3539.5522315683. The cubic root of 12528430 is about 232.2552556182.

The spelling of 12528430 in words is "twelve million, five hundred twenty-eight thousand, four hundred thirty".