12690210 has 48 divisors (see below), whose sum is σ = 32992704. Its totient is φ = 3122496.

The previous prime is 12690199. The next prime is 12690259. The reversal of 12690210 is 1209621.

It is a super-2 number, since 2×12690210² = 322082859688200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3819 + ... + 6321.

It is an arithmetic number, because the mean of its divisors is an integer number (687348).

Almost surely, 2^12690210 is an apocalyptic number.

12690210 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 12690210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16496352).

12690210 is an abundant number, since it is smaller than the sum of its proper divisors (20302494).

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

12690210 is a wasteful number, since it uses less digits than its factorization.

12690210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2539 (or 2526 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 12690210 is about 3562.3321013067. The cubic root of 12690210 is about 233.2506895529.

Adding to 12690210 its reverse (1209621), we get a palindrome (13899831).

The spelling of 12690210 in words is "twelve million, six hundred ninety thousand, two hundred ten".