12939003 has 24 divisors (see below), whose sum is σ = 23302656. Its totient is φ = 6721200.

The previous prime is 12938987. The next prime is 12939007. The reversal of 12939003 is 30093921.

It is not a de Polignac number, because 12939003 - 2⁴ = 12938987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12939007) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8643 + ... + 10028.

It is an arithmetic number, because the mean of its divisors is an integer number (970944).

Almost surely, 2^12939003 is an apocalyptic number.

12939003 is a deficient number, since it is larger than the sum of its proper divisors (10363653).

12939003 is a wasteful number, since it uses less digits than its factorization.

12939003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18695 (or 18692 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 27.

The square root of 12939003 is about 3597.0825678597. The cubic root of 12939003 is about 234.7651373159.

It can be divided in two parts, 1293 and 9003, that added together give a triangular number (10296 = T₁₄₃).

The spelling of 12939003 in words is "twelve million, nine hundred thirty-nine thousand, three".