12503330 has 96 divisors (see below), whose sum is σ = 29548800. Its totient is φ = 3773952.

The previous prime is 12503327. The next prime is 12503341. The reversal of 12503330 is 3330521.

12503330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12503330² = 312666522177800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a junction number, because it is equal to n+sod(n) for n = 12503299 and 12503308.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 158231 + ... + 158309.

It is an arithmetic number, because the mean of its divisors is an integer number (307800).

Almost surely, 2^12503330 is an apocalyptic number.

12503330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12503330 is an abundant number, since it is smaller than the sum of its proper divisors (17045470).

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

12503330 is a wasteful number, since it uses less digits than its factorization.

12503330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136 (or 129 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 17.

The square root of 12503330 is about 3536.0048076890. The cubic root of 12503330 is about 232.1000485053.

Adding to 12503330 its reverse (3330521), we get a palindrome (15833851).

The spelling of 12503330 in words is "twelve million, five hundred three thousand, three hundred thirty".