12355056 has 180 divisors, whose sum is σ = 43001712. Its totient is φ = 3290112.

The previous prime is 12355051. The next prime is 12355067. The reversal of 12355056 is 65055321.

12355056 = T₁₅₅ + T₁₅₆ + ... + T₄₂₆.

12355056 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12355051) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 119901 + ... + 120003.

Almost surely, 2^12355056 is an apocalyptic number.

12355056 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 12355056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21500856).

12355056 is an abundant number, since it is smaller than the sum of its proper divisors (30646656).

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

12355056 is a wasteful number, since it uses less digits than its factorization.

12355056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148 (or 132 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 12355056 is about 3514.9759600885. The cubic root of 12355056 is about 231.1789247361.

The spelling of 12355056 in words is "twelve million, three hundred fifty-five thousand, fifty-six".