12302503 has 8 divisors (see below), whose sum is σ = 12632400. Its totient is φ = 11976768.

The previous prime is 12302497. The next prime is 12302513. The reversal of 12302503 is 30520321.

12302503 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12302503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12302513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5475 + ... + 7387.

It is an arithmetic number, because the mean of its divisors is an integer number (1579050).

Almost surely, 2^12302503 is an apocalyptic number.

12302503 is a deficient number, since it is larger than the sum of its proper divisors (329897).

12302503 is a wasteful number, since it uses less digits than its factorization.

12302503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2081.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 12302503 is about 3507.4924091151. The cubic root of 12302503 is about 230.8506809097.

Adding to 12302503 its reverse (30520321), we get a palindrome (42822824).

The spelling of 12302503 in words is "twelve million, three hundred two thousand, five hundred three".