12503568 has 160 divisors (see below), whose sum is σ = 42854400. Its totient is φ = 3041280.

The previous prime is 12503549. The next prime is 12503573. The reversal of 12503568 is 86530521.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62733 + ... + 62931.

It is an arithmetic number, because the mean of its divisors is an integer number (267840).

Almost surely, 2^12503568 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12503568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21427200).

12503568 is an abundant number, since it is smaller than the sum of its proper divisors (30350832).

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

12503568 is a wasteful number, since it uses less digits than its factorization.

12503568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245 (or 239 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 12503568 is about 3536.0384613293. The cubic root of 12503568 is about 232.1015211653.

The spelling of 12503568 in words is "twelve million, five hundred three thousand, five hundred sixty-eight".