12528890 has 16 divisors (see below), whose sum is σ = 24602400. Its totient is φ = 4555920.

The previous prime is 12528889. The next prime is 12528907. The reversal of 12528890 is 9882521.

It is a self number, because there is not a number n which added to its sum of digits gives 12528890.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56840 + ... + 57059.

It is an arithmetic number, because the mean of its divisors is an integer number (1537650).

Almost surely, 2^12528890 is an apocalyptic number.

12528890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12528890 is a deficient number, since it is larger than the sum of its proper divisors (12073510).

12528890 is a wasteful number, since it uses less digits than its factorization.

12528890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113917.

The product of its (nonzero) digits is 11520, while the sum is 35.

The square root of 12528890 is about 3539.6172109424. The cubic root of 12528890 is about 232.2580981162.

The spelling of 12528890 in words is "twelve million, five hundred twenty-eight thousand, eight hundred ninety".