12628533 has 16 divisors (see below), whose sum is σ = 17470656. Its totient is φ = 8108160.

The previous prime is 12628513. The next prime is 12628547. The reversal of 12628533 is 33582621.

It is not a de Polignac number, because 12628533 - 2⁸ = 12628277 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12628533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12628513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9591 + ... + 10827.

It is an arithmetic number, because the mean of its divisors is an integer number (1091916).

Almost surely, 2^12628533 is an apocalyptic number.

It is an amenable number.

12628533 is a deficient number, since it is larger than the sum of its proper divisors (4842123).

12628533 is a wasteful number, since it uses less digits than its factorization.

12628533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1364.

The product of its digits is 8640, while the sum is 30.

The square root of 12628533 is about 3553.6647281363. The cubic root of 12628533 is about 232.8721937797.

The spelling of 12628533 in words is "twelve million, six hundred twenty-eight thousand, five hundred thirty-three".