12944503 has 16 divisors (see below), whose sum is σ = 15345792. Its totient is φ = 10764000.

The previous prime is 12944501. The next prime is 12944509. The reversal of 12944503 is 30544921.

12944503 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12944503 - 2¹ = 12944501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12944501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18388 + ... + 19078.

It is an arithmetic number, because the mean of its divisors is an integer number (959112).

Almost surely, 2^12944503 is an apocalyptic number.

12944503 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12944503 is a deficient number, since it is larger than the sum of its proper divisors (2401289).

12944503 is a wasteful number, since it uses less digits than its factorization.

12944503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 846.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 12944503 is about 3597.8469950791. The cubic root of 12944503 is about 234.7983965850.

The spelling of 12944503 in words is "twelve million, nine hundred forty-four thousand, five hundred three".