12816210 has 64 divisors (see below), whose sum is σ = 34089984. Its totient is φ = 3057600.

The previous prime is 12816191. The next prime is 12816211. The reversal of 12816210 is 1261821.

12816210 = T₅₆₅ + T₅₆₆ + ... + T₆₃₅.

12816210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12816211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23157 + ... + 23703.

It is an arithmetic number, because the mean of its divisors is an integer number (532656).

Almost surely, 2^12816210 is an apocalyptic number.

12816210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12816210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17044992).

12816210 is an abundant number, since it is smaller than the sum of its proper divisors (21273774).

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

12816210 is a wasteful number, since it uses less digits than its factorization.

12816210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639.

The product of its (nonzero) digits is 192, while the sum is 21.

The square root of 12816210 is about 3579.9734635888. The cubic root of 12816210 is about 234.0201239176.

The spelling of 12816210 in words is "twelve million, eight hundred sixteen thousand, two hundred ten".