12628730 has 16 divisors (see below), whose sum is σ = 23928480. Its totient is φ = 4785552.

The previous prime is 12628709. The next prime is 12628741. The reversal of 12628730 is 3782621.

It is a happy number.

12628730 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12628693 and 12628702.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33044 + ... + 33423.

It is an arithmetic number, because the mean of its divisors is an integer number (1495530).

Almost surely, 2^12628730 is an apocalyptic number.

12628730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12628730 is a deficient number, since it is larger than the sum of its proper divisors (11299750).

12628730 is a wasteful number, since it uses less digits than its factorization.

12628730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66493.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 12628730 is about 3553.6924458934. The cubic root of 12628730 is about 232.8734046774.

The spelling of 12628730 in words is "twelve million, six hundred twenty-eight thousand, seven hundred thirty".