12528406 has 32 divisors (see below), whose sum is σ = 21578400. Its totient is φ = 5402880.

The previous prime is 12528403. The next prime is 12528407. The reversal of 12528406 is 60482521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12528403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46440 + ... + 46708.

It is an arithmetic number, because the mean of its divisors is an integer number (674325).

Almost surely, 2^12528406 is an apocalyptic number.

12528406 is a deficient number, since it is larger than the sum of its proper divisors (9049994).

12528406 is a wasteful number, since it uses less digits than its factorization.

12528406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 12528406 is about 3539.5488413073. The cubic root of 12528406 is about 232.2551073121.

The spelling of 12528406 in words is "twelve million, five hundred twenty-eight thousand, four hundred six".