12628311 has 16 divisors (see below), whose sum is σ = 18178560. Its totient is φ = 7773920.

The previous prime is 12628307. The next prime is 12628321. The reversal of 12628311 is 11382621.

It is a cyclic number.

It is not a de Polignac number, because 12628311 - 2² = 12628307 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12628321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1155 + ... + 5156.

It is an arithmetic number, because the mean of its divisors is an integer number (1136160).

Almost surely, 2^12628311 is an apocalyptic number.

12628311 is a deficient number, since it is larger than the sum of its proper divisors (5550249).

12628311 is a wasteful number, since it uses less digits than its factorization.

12628311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6366.

The product of its digits is 576, while the sum is 24.

The square root of 12628311 is about 3553.6334926382. The cubic root of 12628311 is about 232.8708291997.

The spelling of 12628311 in words is "twelve million, six hundred twenty-eight thousand, three hundred eleven".