12523056 has 160 divisors (see below), whose sum is σ = 41330688. Its totient is φ = 3179520.

The previous prime is 12522973. The next prime is 12523073. The reversal of 12523056 is 65032521.

12523056 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 205266 + ... + 205326.

Almost surely, 2^12523056 is an apocalyptic number.

12523056 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 12523056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20665344).

12523056 is an abundant number, since it is smaller than the sum of its proper divisors (28807632).

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

12523056 is a wasteful number, since it uses less digits than its factorization.

12523056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139 (or 133 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 12523056 is about 3538.7930145743. The cubic root of 12523056 is about 232.2220426712. Note that the first 3 decimals are identical.

Adding to 12523056 its reverse (65032521), we get a palindrome (77555577).

The spelling of 12523056 in words is "twelve million, five hundred twenty-three thousand, fifty-six".