12820610 has 32 divisors (see below), whose sum is σ = 26049600. Its totient is φ = 4500160.

The previous prime is 12820603. The next prime is 12820631. The reversal of 12820610 is 1602821.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1181 + ... + 5199.

It is an arithmetic number, because the mean of its divisors is an integer number (814050).

Almost surely, 2^12820610 is an apocalyptic number.

12820610 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12820610 is an abundant number, since it is smaller than the sum of its proper divisors (13228990).

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

12820610 is a wasteful number, since it uses less digits than its factorization.

12820610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4066.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 12820610 is about 3580.5879405483. The cubic root of 12820610 is about 234.0469017438.

The spelling of 12820610 in words is "twelve million, eight hundred twenty thousand, six hundred ten".