12352656 has 80 divisors (see below), whose sum is σ = 33997824. Its totient is φ = 3856512.

The previous prime is 12352649. The next prime is 12352699. The reversal of 12352656 is 65625321.

12352656 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12352656² = 305176220508672, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73885 + ... + 74051.

Almost surely, 2^12352656 is an apocalyptic number.

12352656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12352656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16998912).

12352656 is an abundant number, since it is smaller than the sum of its proper divisors (21645168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12352656 is a wasteful number, since it uses less digits than its factorization.

12352656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268 (or 262 counting only the distinct ones).

The product of its digits is 10800, while the sum is 30.

The square root of 12352656 is about 3514.6345471471. The cubic root of 12352656 is about 231.1639547419.

Adding to 12352656 its reverse (65625321), we get a palindrome (77977977).

The spelling of 12352656 in words is "twelve million, three hundred fifty-two thousand, six hundred fifty-six".