12679434 has 36 divisors (see below), whose sum is σ = 28425618. Its totient is φ = 4084560.

The previous prime is 12679427. The next prime is 12679451. The reversal of 12679434 is 43497621.

It can be written as a sum of positive squares in only one way, i.e., 7273809 + 5405625 = 2697^2 + 2325^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 16932 + ... + 17664.

Almost surely, 2^12679434 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12679434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14212809).

12679434 is an abundant number, since it is smaller than the sum of its proper divisors (15746184).

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

12679434 is a wasteful number, since it uses less digits than its factorization.

12679434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 803 (or 769 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 12679434 is about 3560.8192877483. The cubic root of 12679434 is about 233.1846485858.

It can be divided in two parts, 1267 and 9434, that added together give a palindrome (10701).

The spelling of 12679434 in words is "twelve million, six hundred seventy-nine thousand, four hundred thirty-four".