12108416 has 16 divisors (see below), whose sum is σ = 24122490. Its totient is φ = 6054144.

The previous prime is 12108401. The next prime is 12108451. The reversal of 12108416 is 61480121.

It can be written as a sum of positive squares in only one way, i.e., 7268416 + 4840000 = 2696^2 + 2200^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×12108416² = 293227476058112, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12108391 and 12108400.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47171 + ... + 47426.

Almost surely, 2^12108416 is an apocalyptic number.

12108416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12108416 is a deficient number, since it is larger than the sum of its proper divisors (12014074).

12108416 is an frugal number, since it uses more digits than its factorization.

12108416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94611 (or 94599 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 12108416 is about 3479.7149308528. The cubic root of 12108416 is about 229.6302565880.

Adding to 12108416 its reverse (61480121), we get a palindrome (73588537).

The spelling of 12108416 in words is "twelve million, one hundred eight thousand, four hundred sixteen".