12198416 has 10 divisors (see below), whose sum is σ = 23634462. Its totient is φ = 6099200.

The previous prime is 12198413. The next prime is 12198421. The reversal of 12198416 is 61489121.

It can be written as a sum of positive squares in only one way, i.e., 11833600 + 364816 = 3440^2 + 604^2 .

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (12198413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 381185 + ... + 381216.

Almost surely, 2^12198416 is an apocalyptic number.

12198416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12198416 is a deficient number, since it is larger than the sum of its proper divisors (11436046).

12198416 is an equidigital number, since it uses as much as digits as its factorization.

12198416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 762409 (or 762403 counting only the distinct ones).

The product of its digits is 3456, while the sum is 32.

The square root of 12198416 is about 3492.6230830137. The cubic root of 12198416 is about 230.1977882755.

The spelling of 12198416 in words is "twelve million, one hundred ninety-eight thousand, four hundred sixteen".