12628913 has 8 divisors (see below), whose sum is σ = 13855296. Its totient is φ = 11415600.

The previous prime is 12628907. The next prime is 12628919. The reversal of 12628913 is 31982621.

It is an interprime number because it is at equal distance from previous prime (12628907) and next prime (12628919).

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

It is a cyclic number.

It is not a de Polignac number, because 12628913 - 2⁸ = 12628657 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12628913.

It is not an unprimeable number, because it can be changed into a prime (12628919) 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 7 ways as a sum of consecutive naturals, for example, 1181 + ... + 5162.

It is an arithmetic number, because the mean of its divisors is an integer number (1731912).

Almost surely, 2^12628913 is an apocalyptic number.

It is an amenable number.

12628913 is a deficient number, since it is larger than the sum of its proper divisors (1226383).

12628913 is a wasteful number, since it uses less digits than its factorization.

12628913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6535.

The product of its digits is 5184, while the sum is 32.

The square root of 12628913 is about 3553.7181936670. The cubic root of 12628913 is about 232.8745295101.

The spelling of 12628913 in words is "twelve million, six hundred twenty-eight thousand, nine hundred thirteen".