12903311 has 8 divisors (see below), whose sum is σ = 13329360. Its totient is φ = 12483072.

The previous prime is 12903287. The next prime is 12903313. The reversal of 12903311 is 11330921.

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

It is not a de Polignac number, because 12903311 - 2¹⁴ = 12886927 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 (12903313) 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, 3311 + ... + 6063.

It is an arithmetic number, because the mean of its divisors is an integer number (1666170).

Almost surely, 2^12903311 is an apocalyptic number.

12903311 is a deficient number, since it is larger than the sum of its proper divisors (426049).

12903311 is a wasteful number, since it uses less digits than its factorization.

12903311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2905.

The product of its (nonzero) digits is 162, while the sum is 20.

The square root of 12903311 is about 3592.1178989560. The cubic root of 12903311 is about 234.5490734310.

The spelling of 12903311 in words is "twelve million, nine hundred three thousand, three hundred eleven".