12206416 has 10 divisors (see below), whose sum is σ = 23649962. Its totient is φ = 6103200.

The previous prime is 12206401. The next prime is 12206423. The reversal of 12206416 is 61460221.

It can be written as a sum of positive squares in only one way, i.e., 11560000 + 646416 = 3400^2 + 804^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 381435 + ... + 381466.

Almost surely, 2^12206416 is an apocalyptic number.

12206416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12206416 is a deficient number, since it is larger than the sum of its proper divisors (11443546).

12206416 is an equidigital number, since it uses as much as digits as its factorization.

12206416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 762909 (or 762903 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 12206416 is about 3493.7681663213. The cubic root of 12206416 is about 230.2481002687.

Adding to 12206416 its reverse (61460221), we get a palindrome (73666637).

The spelling of 12206416 in words is "twelve million, two hundred six thousand, four hundred sixteen".