12503360 has 56 divisors (see below), whose sum is σ = 30531816. Its totient is φ = 4874240.

The previous prime is 12503357. The next prime is 12503371. The reversal of 12503360 is 6330521.

It can be written as a sum of positive squares in 4 ways, for example, as 64 + 12503296 = 8^2 + 3536^2 .

It is a super-2 number, since 2×12503360² = 312668022579200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

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 7 ways as a sum of consecutive naturals, for example, 12644 + ... + 13596.

It is an arithmetic number, because the mean of its divisors is an integer number (545211).

Almost surely, 2^12503360 is an apocalyptic number.

12503360 is a gapful number since it is divisible by the number (10) 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 12503360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15265908).

12503360 is an abundant number, since it is smaller than the sum of its proper divisors (18028456).

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

12503360 is an equidigital number, since it uses as much as digits as its factorization.

12503360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1011 (or 1001 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 12503360 is about 3536.0090497622. The cubic root of 12503360 is about 232.1002341357.

Adding to 12503360 its reverse (6330521), we get a palindrome (18833881).

The spelling of 12503360 in words is "twelve million, five hundred three thousand, three hundred sixty".