12899503 has 8 divisors (see below), whose sum is σ = 13360256. Its totient is φ = 12454560.

The previous prime is 12899501. The next prime is 12899507. The reversal of 12899503 is 30599821.

It is not a de Polignac number, because 12899503 - 2¹ = 12899501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12899501) 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 7 ways as a sum of consecutive naturals, for example, 29575 + ... + 30007.

It is an arithmetic number, because the mean of its divisors is an integer number (1670032).

Almost surely, 2^12899503 is an apocalyptic number.

12899503 is a deficient number, since it is larger than the sum of its proper divisors (460753).

12899503 is an frugal number, since it uses more digits than its factorization.

12899503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526 (or 464 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 37.

The square root of 12899503 is about 3591.5878104259. The cubic root of 12899503 is about 234.5259979390.

The spelling of 12899503 in words is "twelve million, eight hundred ninety-nine thousand, five hundred three".