12265216 has 18 divisors (see below), whose sum is σ = 24483032. Its totient is φ = 6132480.

The previous prime is 12265171. The next prime is 12265229. The reversal of 12265216 is 61256221.

12265216 is nontrivially palindromic in base 15.

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, 23700 + ... + 24211.

Almost surely, 2^12265216 is an apocalyptic number.

12265216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12265216 is a deficient number, since it is larger than the sum of its proper divisors (12217816).

12265216 is an frugal number, since it uses more digits than its factorization.

12265216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47927 (or 47913 counting only the distinct ones).

The product of its digits is 1440, while the sum is 25.

The square root of 12265216 is about 3502.1730396998. The cubic root of 12265216 is about 230.6172205522.

The spelling of 12265216 in words is "twelve million, two hundred sixty-five thousand, two hundred sixteen".