12446416 has 10 divisors (see below), whose sum is σ = 24114962. Its totient is φ = 6223200.

The previous prime is 12446353. The next prime is 12446419. The reversal of 12446416 is 61464421.

It can be written as a sum of positive squares in only one way, i.e., 10497600 + 1948816 = 3240^2 + 1396^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12446419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 388935 + ... + 388966.

Almost surely, 2^12446416 is an apocalyptic number.

12446416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12446416 is a deficient number, since it is larger than the sum of its proper divisors (11668546).

12446416 is an equidigital number, since it uses as much as digits as its factorization.

12446416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 777909 (or 777903 counting only the distinct ones).

The product of its digits is 4608, while the sum is 28.

The square root of 12446416 is about 3527.9478454195. The cubic root of 12446416 is about 231.7473468337.

The spelling of 12446416 in words is "twelve million, four hundred forty-six thousand, four hundred sixteen".