12707628 has 24 divisors (see below), whose sum is σ = 29776320. Its totient is φ = 4218000.

The previous prime is 12707623. The next prime is 12707633. The reversal of 12707628 is 82670721.

12707628 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12707623) and next prime (12707633).

It is a super-2 number, since 2×12707628² = 322967618772768, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12707623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 903 + ... + 5121.

It is an arithmetic number, because the mean of its divisors is an integer number (1240680).

Almost surely, 2^12707628 is an apocalyptic number.

It is an amenable number.

12707628 is an abundant number, since it is smaller than the sum of its proper divisors (17068692).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12707628 is a wasteful number, since it uses less digits than its factorization.

12707628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4477 (or 4475 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 33.

The square root of 12707628 is about 3564.7760097936. The cubic root of 12707628 is about 233.3573571636.

The spelling of 12707628 in words is "twelve million, seven hundred seven thousand, six hundred twenty-eight".