12568890 has 32 divisors (see below), whose sum is σ = 31207680. Its totient is φ = 3235904.

The previous prime is 12568883. The next prime is 12568891. The reversal of 12568890 is 9886521.

It is not an unprimeable number, because it can be changed into a prime (12568891) 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, 6354 + ... + 8093.

It is an arithmetic number, because the mean of its divisors is an integer number (975240).

Almost surely, 2^12568890 is an apocalyptic number.

12568890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12568890 is an abundant number, since it is smaller than the sum of its proper divisors (18638790).

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

12568890 is a wasteful number, since it uses less digits than its factorization.

12568890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14486.

The product of its (nonzero) digits is 34560, while the sum is 39.

The square root of 12568890 is about 3545.2630367858. The cubic root of 12568890 is about 232.5050062513.

The spelling of 12568890 in words is "twelve million, five hundred sixty-eight thousand, eight hundred ninety".