12246210 has 24 divisors (see below), whose sum is σ = 31840380. Its totient is φ = 3265632.

The previous prime is 12246191. The next prime is 12246211. The reversal of 12246210 is 1264221.

It can be written as a sum of positive squares in 2 ways, for example, as 12131289 + 114921 = 3483^2 + 339^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (12246211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67945 + ... + 68124.

Almost surely, 2^12246210 is an apocalyptic number.

12246210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12246210 is an abundant number, since it is smaller than the sum of its proper divisors (19594170).

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

12246210 is a wasteful number, since it uses less digits than its factorization.

12246210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136082 (or 136079 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 12246210 is about 3499.4585295442. The cubic root of 12246210 is about 230.4980386085.

The spelling of 12246210 in words is "twelve million, two hundred forty-six thousand, two hundred ten".