12789730 has 16 divisors (see below), whose sum is σ = 23140800. Its totient is φ = 5089392.

The previous prime is 12789709. The next prime is 12789737. The reversal of 12789730 is 3798721.

12789730 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 12789730.

It is not an unprimeable number, because it can be changed into a prime (12789737) 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, 1224 + ... + 5203.

It is an arithmetic number, because the mean of its divisors is an integer number (1446300).

Almost surely, 2^12789730 is an apocalyptic number.

12789730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12789730 is a deficient number, since it is larger than the sum of its proper divisors (10351070).

12789730 is a wasteful number, since it uses less digits than its factorization.

12789730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6633.

The product of its (nonzero) digits is 21168, while the sum is 37.

The square root of 12789730 is about 3576.2731998548. The cubic root of 12789730 is about 233.8588405214.

The spelling of 12789730 in words is "twelve million, seven hundred eighty-nine thousand, seven hundred thirty".