12623216 has 20 divisors (see below), whose sum is σ = 25119672. Its totient is φ = 6140736.

The previous prime is 12623189. The next prime is 12623287. The reversal of 12623216 is 61232621.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 12623191 and 12623200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10070 + ... + 11253.

Almost surely, 2^12623216 is an apocalyptic number.

12623216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12623216 is a deficient number, since it is larger than the sum of its proper divisors (12496456).

12623216 is a wasteful number, since it uses less digits than its factorization.

12623216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21368 (or 21362 counting only the distinct ones).

The product of its digits is 864, while the sum is 23.

The square root of 12623216 is about 3552.9165484148. The cubic root of 12623216 is about 232.8395070782.

Adding to 12623216 its reverse (61232621), we get a palindrome (73855837).

The spelling of 12623216 in words is "twelve million, six hundred twenty-three thousand, two hundred sixteen".