12216698 has 16 divisors (see below), whose sum is σ = 19793760. Its totient is φ = 5621616.

The previous prime is 12216671. The next prime is 12216719. The reversal of 12216698 is 89661221.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13793 + ... + 14651.

It is an arithmetic number, because the mean of its divisors is an integer number (1237110).

Almost surely, 2^12216698 is an apocalyptic number.

12216698 is a deficient number, since it is larger than the sum of its proper divisors (7577062).

12216698 is a wasteful number, since it uses less digits than its factorization.

12216698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1421.

The product of its digits is 10368, while the sum is 35.

The square root of 12216698 is about 3495.2393337224. The cubic root of 12216698 is about 230.3127314854.

The spelling of 12216698 in words is "twelve million, two hundred sixteen thousand, six hundred ninety-eight".