12454216 has 16 divisors (see below), whose sum is σ = 23472000. Its totient is φ = 6195024.

The previous prime is 12454213. The next prime is 12454223. The reversal of 12454216 is 61245421.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12454213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2320 + ... + 5503.

It is an arithmetic number, because the mean of its divisors is an integer number (1467000).

Almost surely, 2^12454216 is an apocalyptic number.

It is an amenable number.

12454216 is a deficient number, since it is larger than the sum of its proper divisors (11017784).

12454216 is a wasteful number, since it uses less digits than its factorization.

12454216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8028 (or 8024 counting only the distinct ones).

The product of its digits is 1920, while the sum is 25.

The square root of 12454216 is about 3529.0531307987. The cubic root of 12454216 is about 231.7957476968.

Adding to 12454216 its reverse (61245421), we get a palindrome (73699637).

The spelling of 12454216 in words is "twelve million, four hundred fifty-four thousand, two hundred sixteen".