12216410 has 8 divisors (see below), whose sum is σ = 21989556. Its totient is φ = 4886560.

The previous prime is 12216403. The next prime is 12216419. The reversal of 12216410 is 1461221.

12216410 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 10259209 + 1957201 = 3203^2 + 1399^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (12216419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 610811 + ... + 610830.

Almost surely, 2^12216410 is an apocalyptic number.

12216410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12216410 is a deficient number, since it is larger than the sum of its proper divisors (9773146).

12216410 is a wasteful number, since it uses less digits than its factorization.

12216410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1221648.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 12216410 is about 3495.1981345841. The cubic root of 12216410 is about 230.3109216514.

Adding to 12216410 its reverse (1461221), we get a palindrome (13677631).

The spelling of 12216410 in words is "twelve million, two hundred sixteen thousand, four hundred ten".