12503296 has 81 divisors (see below), whose sum is σ = 28708491. Its totient is φ = 5431296.

The previous prime is 12503243. The next prime is 12503297. The reversal of 12503296 is 69230521.

The square root of 12503296 is 3536.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 112896 + 12390400 = 336^2 + 3520^2 .

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12503297) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 735480 + ... + 735496.

Almost surely, 2^12503296 is an apocalyptic number.

12503296 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

12503296 is the 3536-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12503296

12503296 is an abundant number, since it is smaller than the sum of its proper divisors (16205195).

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

12503296 is an equidigital number, since it uses as much as digits as its factorization.

12503296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76 (or 32 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 28.

The cubic root of 12503296 is about 232.0998381238.

The spelling of 12503296 in words is "twelve million, five hundred three thousand, two hundred ninety-six".