12499803 has 12 divisors (see below), whose sum is σ = 18092568. Its totient is φ = 8316000.

The previous prime is 12499801. The next prime is 12499813. The reversal of 12499803 is 30899421.

It is not a de Polignac number, because 12499803 - 2¹ = 12499801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12499801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4428 + ... + 6678.

It is an arithmetic number, because the mean of its divisors is an integer number (1507714).

Almost surely, 2^12499803 is an apocalyptic number.

12499803 is a deficient number, since it is larger than the sum of its proper divisors (5592765).

12499803 is a wasteful number, since it uses less digits than its factorization.

12499803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2874 (or 2871 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 12499803 is about 3535.5060458158. The cubic root of 12499803 is about 232.0782224836.

The spelling of 12499803 in words is "twelve million, four hundred ninety-nine thousand, eight hundred three".