12503333 has 4 divisors (see below), whose sum is σ = 12537228. Its totient is φ = 12469440.

The previous prime is 12503327. The next prime is 12503341. The reversal of 12503333 is 33330521.

12503333 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5094049 + 7409284 = 2257^2 + 2722^2 .

It is a cyclic number.

It is not a de Polignac number, because 12503333 - 2⁴ = 12503317 is a prime.

It is a super-2 number, since 2×12503333² = 312666672217778, which contains 22 as substring.

It is a Duffinian number.

12503333 is a modest number, since divided by 3333 gives 1250 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12503233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16388 + ... + 17133.

It is an arithmetic number, because the mean of its divisors is an integer number (3134307).

Almost surely, 2^12503333 is an apocalyptic number.

It is an amenable number.

12503333 is a deficient number, since it is larger than the sum of its proper divisors (33895).

12503333 is an equidigital number, since it uses as much as digits as its factorization.

12503333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33894.

The product of its (nonzero) digits is 810, while the sum is 20.

The square root of 12503333 is about 3536.0052318966. The cubic root of 12503333 is about 232.1000670683.

Adding to 12503333 its reverse (33330521), we get a palindrome (45833854).

The spelling of 12503333 in words is "twelve million, five hundred three thousand, three hundred thirty-three".