12197516 has 24 divisors (see below), whose sum is σ = 22407840. Its totient is φ = 5801600.

The previous prime is 12197501. The next prime is 12197519. The reversal of 12197516 is 61579121.

12197516 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12197519) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7496 + ... + 8976.

It is an arithmetic number, because the mean of its divisors is an integer number (933660).

Almost surely, 2^12197516 is an apocalyptic number.

It is an amenable number.

12197516 is a deficient number, since it is larger than the sum of its proper divisors (10210324).

12197516 is a wasteful number, since it uses less digits than its factorization.

12197516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1585 (or 1583 counting only the distinct ones).

The product of its digits is 3780, while the sum is 32.

The square root of 12197516 is about 3492.4942376474. The cubic root of 12197516 is about 230.1921267999.

The spelling of 12197516 in words is "twelve million, one hundred ninety-seven thousand, five hundred sixteen".