12789430 has 32 divisors (see below), whose sum is σ = 23911200. Its totient is φ = 4922112.

The previous prime is 12789419. The next prime is 12789433. The reversal of 12789430 is 3498721.

12789430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12789433) 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, 31066 + ... + 31474.

It is an arithmetic number, because the mean of its divisors is an integer number (747225).

Almost surely, 2^12789430 is an apocalyptic number.

12789430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12789430 is a deficient number, since it is larger than the sum of its proper divisors (11121770).

12789430 is a wasteful number, since it uses less digits than its factorization.

12789430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 12789430 is about 3576.2312565045. The cubic root of 12789430 is about 233.8570120178.

The spelling of 12789430 in words is "twelve million, seven hundred eighty-nine thousand, four hundred thirty".