12859216 has 20 divisors (see below), whose sum is σ = 24970624. Its totient is φ = 6415200.

The previous prime is 12859211. The next prime is 12859229. The reversal of 12859216 is 61295821.

It is a super-2 number, since 2×12859216² = 330718872269312, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12859211) 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, 12481 + ... + 13471.

Almost surely, 2^12859216 is an apocalyptic number.

12859216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12859216 is a deficient number, since it is larger than the sum of its proper divisors (12111408).

12859216 is an equidigital number, since it uses as much as digits as its factorization.

12859216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1810 (or 1804 counting only the distinct ones).

The product of its digits is 8640, while the sum is 34.

The square root of 12859216 is about 3585.9749023104. The cubic root of 12859216 is about 234.2815905339.

It can be divided in two parts, 1285 and 9216, that added together give a palindrome (10501).

The spelling of 12859216 in words is "twelve million, eight hundred fifty-nine thousand, two hundred sixteen".