12097616 has 10 divisors (see below), whose sum is σ = 23439162. Its totient is φ = 6048800.

The previous prime is 12097571. The next prime is 12097637. The reversal of 12097616 is 61679021.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 9859600 + 2238016 = 3140^2 + 1496^2 .

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, 378035 + ... + 378066.

Almost surely, 2^12097616 is an apocalyptic number.

12097616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12097616 is a deficient number, since it is larger than the sum of its proper divisors (11341546).

12097616 is an equidigital number, since it uses as much as digits as its factorization.

12097616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 756109 (or 756103 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 12097616 is about 3478.1627333982. The cubic root of 12097616 is about 229.5619640198.

The spelling of 12097616 in words is "twelve million, ninety-seven thousand, six hundred sixteen".